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Finding the Fourth Proportional to 620,160.30, 930,240.45 and 441,701.10

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Solution

The fourth proportional to 620,160.30, 930,240.45 and 441,701.10 is: 662,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,160.30 : 930,240.45 = 441,701.10 : x
  2. Step 2: Convert to fraction form
    620,160.30/930,240.45 = 441,701.10/x
  3. Step 3: Cross multiply
    620,160.30x = 930,240.45 × 441,701.10
  4. Step 4: Simplify right side
    620,160.30x = 410,888,230,029.50
  5. Step 5: Solve for x
    x = 410,888,230,029.50/620,160.30
  6. Step 6: Final answer
    x = 662,551.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.