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Finding the Fourth Proportional to 459,569.60, 687,993.60 and 341,763.20

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Solution

The fourth proportional to 459,569.60, 687,993.60 and 341,763.20 is: 511,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,569.60 : 687,993.60 = 341,763.20 : x
  2. Step 2: Convert to fraction form
    459,569.60/687,993.60 = 341,763.20/x
  3. Step 3: Cross multiply
    459,569.60x = 687,993.60 × 341,763.20
  4. Step 4: Simplify right side
    459,569.60x = 235,130,894,315.52
  5. Step 5: Solve for x
    x = 235,130,894,315.52/459,569.60
  6. Step 6: Final answer
    x = 511,632.83

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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.