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Finding the Fourth Proportional to 974,710.60, 1,462,065.90 and 707,216.20

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Solution

The fourth proportional to 974,710.60, 1,462,065.90 and 707,216.20 is: 1,060,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,710.60 : 1,462,065.90 = 707,216.20 : x
  2. Step 2: Convert to fraction form
    974,710.60/1,462,065.90 = 707,216.20/x
  3. Step 3: Cross multiply
    974,710.60x = 1,462,065.90 × 707,216.20
  4. Step 4: Simplify right side
    974,710.60x = 1,033,996,689,947.58
  5. Step 5: Solve for x
    x = 1,033,996,689,947.58/974,710.60
  6. Step 6: Final answer
    x = 1,060,824.30

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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.