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Finding the Fourth Proportional to 589,675.90, 884,513.85 and 146,443.90

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Solution

The fourth proportional to 589,675.90, 884,513.85 and 146,443.90 is: 219,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,675.90 : 884,513.85 = 146,443.90 : x
  2. Step 2: Convert to fraction form
    589,675.90/884,513.85 = 146,443.90/x
  3. Step 3: Cross multiply
    589,675.90x = 884,513.85 × 146,443.90
  4. Step 4: Simplify right side
    589,675.90x = 129,531,657,798.02
  5. Step 5: Solve for x
    x = 129,531,657,798.02/589,675.90
  6. Step 6: Final answer
    x = 219,665.85

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