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Finding the Fourth Proportional to 357,410.59, 536,134.61 and 272,155.16

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Solution

The fourth proportional to 357,410.59, 536,134.61 and 272,155.16 is: 408,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,410.59 : 536,134.61 = 272,155.16 : x
  2. Step 2: Convert to fraction form
    357,410.59/536,134.61 = 272,155.16/x
  3. Step 3: Cross multiply
    357,410.59x = 536,134.61 × 272,155.16
  4. Step 4: Simplify right side
    357,410.59x = 145,911,801,566.23
  5. Step 5: Solve for x
    x = 145,911,801,566.23/357,410.59
  6. Step 6: Final answer
    x = 408,247.00

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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.