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Finding the Fourth Proportional to 650,314.95, 974,210.01 and 479,226.11

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Solution

The fourth proportional to 650,314.95, 974,210.01 and 479,226.11 is: 717,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,314.95 : 974,210.01 = 479,226.11 : x
  2. Step 2: Convert to fraction form
    650,314.95/974,210.01 = 479,226.11/x
  3. Step 3: Cross multiply
    650,314.95x = 974,210.01 × 479,226.11
  4. Step 4: Simplify right side
    650,314.95x = 466,866,868,544.31
  5. Step 5: Solve for x
    x = 466,866,868,544.31/650,314.95
  6. Step 6: Final answer
    x = 717,908.87

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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.