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Finding the Fourth Proportional to 366,438.46, 549,959.13 and 156,313.66

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Solution

The fourth proportional to 366,438.46, 549,959.13 and 156,313.66 is: 234,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,438.46 : 549,959.13 = 156,313.66 : x
  2. Step 2: Convert to fraction form
    366,438.46/549,959.13 = 156,313.66/x
  3. Step 3: Cross multiply
    366,438.46x = 549,959.13 × 156,313.66
  4. Step 4: Simplify right side
    366,438.46x = 85,966,124,460.72
  5. Step 5: Solve for x
    x = 85,966,124,460.72/366,438.46
  6. Step 6: Final answer
    x = 234,599.08

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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.