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Finding the Fourth Proportional to 614,729.60, 922,094.40 and 559,617.20

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Solution

The fourth proportional to 614,729.60, 922,094.40 and 559,617.20 is: 839,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,729.60 : 922,094.40 = 559,617.20 : x
  2. Step 2: Convert to fraction form
    614,729.60/922,094.40 = 559,617.20/x
  3. Step 3: Cross multiply
    614,729.60x = 922,094.40 × 559,617.20
  4. Step 4: Simplify right side
    614,729.60x = 516,019,886,263.68
  5. Step 5: Solve for x
    x = 516,019,886,263.68/614,729.60
  6. Step 6: Final answer
    x = 839,425.80

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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.