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Finding the Fourth Proportional to 366,438.96, 549,959.88 and 156,314.16

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Solution

The fourth proportional to 366,438.96, 549,959.88 and 156,314.16 is: 234,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,438.96 : 549,959.88 = 156,314.16 : x
  2. Step 2: Convert to fraction form
    366,438.96/549,959.88 = 156,314.16/x
  3. Step 3: Cross multiply
    366,438.96x = 549,959.88 × 156,314.16
  4. Step 4: Simplify right side
    366,438.96x = 85,966,516,675.90
  5. Step 5: Solve for x
    x = 85,966,516,675.90/366,438.96
  6. Step 6: Final answer
    x = 234,599.83

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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.