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Finding the Fourth Proportional to 366,711.91, 549,214.93 and 356,621.74

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Solution

The fourth proportional to 366,711.91, 549,214.93 and 356,621.74 is: 534,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,711.91 : 549,214.93 = 356,621.74 : x
  2. Step 2: Convert to fraction form
    366,711.91/549,214.93 = 356,621.74/x
  3. Step 3: Cross multiply
    366,711.91x = 549,214.93 × 356,621.74
  4. Step 4: Simplify right side
    366,711.91x = 195,861,983,970.58
  5. Step 5: Solve for x
    x = 195,861,983,970.58/366,711.91
  6. Step 6: Final answer
    x = 534,103.14

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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.