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Finding the Fourth Proportional to 614,681.60, 922,022.40 and 577,356.80

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Solution

The fourth proportional to 614,681.60, 922,022.40 and 577,356.80 is: 866,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,681.60 : 922,022.40 = 577,356.80 : x
  2. Step 2: Convert to fraction form
    614,681.60/922,022.40 = 577,356.80/x
  3. Step 3: Cross multiply
    614,681.60x = 922,022.40 × 577,356.80
  4. Step 4: Simplify right side
    614,681.60x = 532,335,902,392.32
  5. Step 5: Solve for x
    x = 532,335,902,392.32/614,681.60
  6. Step 6: Final answer
    x = 866,035.20

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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.