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Finding the Fourth Proportional to 650,902.40, 974,452.80 and 464,278.40

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Solution

The fourth proportional to 650,902.40, 974,452.80 and 464,278.40 is: 695,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,902.40 : 974,452.80 = 464,278.40 : x
  2. Step 2: Convert to fraction form
    650,902.40/974,452.80 = 464,278.40/x
  3. Step 3: Cross multiply
    650,902.40x = 974,452.80 × 464,278.40
  4. Step 4: Simplify right side
    650,902.40x = 452,417,386,859.52
  5. Step 5: Solve for x
    x = 452,417,386,859.52/650,902.40
  6. Step 6: Final answer
    x = 695,061.79

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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.