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Finding the Fourth Proportional to 671,520.38, 927,485.44 and 444,772.22

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Solution

The fourth proportional to 671,520.38, 927,485.44 and 444,772.22 is: 614,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,520.38 : 927,485.44 = 444,772.22 : x
  2. Step 2: Convert to fraction form
    671,520.38/927,485.44 = 444,772.22/x
  3. Step 3: Cross multiply
    671,520.38x = 927,485.44 × 444,772.22
  4. Step 4: Simplify right side
    671,520.38x = 412,519,752,417.12
  5. Step 5: Solve for x
    x = 412,519,752,417.12/671,520.38
  6. Step 6: Final answer
    x = 614,307.13

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.