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Finding the Fourth Proportional to 650,672.10, 976,008.15 and 461,715.30

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Solution

The fourth proportional to 650,672.10, 976,008.15 and 461,715.30 is: 692,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,672.10 : 976,008.15 = 461,715.30 : x
  2. Step 2: Convert to fraction form
    650,672.10/976,008.15 = 461,715.30/x
  3. Step 3: Cross multiply
    650,672.10x = 976,008.15 × 461,715.30
  4. Step 4: Simplify right side
    650,672.10x = 450,637,895,779.70
  5. Step 5: Solve for x
    x = 450,637,895,779.70/650,672.10
  6. Step 6: Final answer
    x = 692,572.95

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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.