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Finding the Fourth Proportional to 974,711.20, 1,462,066.80 and 413,672.80

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Solution

The fourth proportional to 974,711.20, 1,462,066.80 and 413,672.80 is: 620,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,711.20 : 1,462,066.80 = 413,672.80 : x
  2. Step 2: Convert to fraction form
    974,711.20/1,462,066.80 = 413,672.80/x
  3. Step 3: Cross multiply
    974,711.20x = 1,462,066.80 × 413,672.80
  4. Step 4: Simplify right side
    974,711.20x = 604,817,266,943.04
  5. Step 5: Solve for x
    x = 604,817,266,943.04/974,711.20
  6. Step 6: Final answer
    x = 620,509.20

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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.