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Finding the Fourth Proportional to 459,167.60, 687,390.60 and 341,361.20

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Solution

The fourth proportional to 459,167.60, 687,390.60 and 341,361.20 is: 511,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,167.60 : 687,390.60 = 341,361.20 : x
  2. Step 2: Convert to fraction form
    459,167.60/687,390.60 = 341,361.20/x
  3. Step 3: Cross multiply
    459,167.60x = 687,390.60 × 341,361.20
  4. Step 4: Simplify right side
    459,167.60x = 234,648,480,084.72
  5. Step 5: Solve for x
    x = 234,648,480,084.72/459,167.60
  6. Step 6: Final answer
    x = 511,030.13

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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.