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Finding the Fourth Proportional to 463,681.60, 696,235.20 and 253,729.60

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Solution

The fourth proportional to 463,681.60, 696,235.20 and 253,729.60 is: 380,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,681.60 : 696,235.20 = 253,729.60 : x
  2. Step 2: Convert to fraction form
    463,681.60/696,235.20 = 253,729.60/x
  3. Step 3: Cross multiply
    463,681.60x = 696,235.20 × 253,729.60
  4. Step 4: Simplify right side
    463,681.60x = 176,655,478,801.92
  5. Step 5: Solve for x
    x = 176,655,478,801.92/463,681.60
  6. Step 6: Final answer
    x = 380,984.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.