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Finding the Fourth Proportional to 616,547.70, 924,821.55 and 316,610.10

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Solution

The fourth proportional to 616,547.70, 924,821.55 and 316,610.10 is: 474,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,547.70 : 924,821.55 = 316,610.10 : x
  2. Step 2: Convert to fraction form
    616,547.70/924,821.55 = 316,610.10/x
  3. Step 3: Cross multiply
    616,547.70x = 924,821.55 × 316,610.10
  4. Step 4: Simplify right side
    616,547.70x = 292,807,843,427.66
  5. Step 5: Solve for x
    x = 292,807,843,427.66/616,547.70
  6. Step 6: Final answer
    x = 474,915.15

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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.