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Finding the Fourth Proportional to 334,417.75, 501,700.96 and 156,830.11

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Solution

The fourth proportional to 334,417.75, 501,700.96 and 156,830.11 is: 235,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,417.75 : 501,700.96 = 156,830.11 : x
  2. Step 2: Convert to fraction form
    334,417.75/501,700.96 = 156,830.11/x
  3. Step 3: Cross multiply
    334,417.75x = 501,700.96 × 156,830.11
  4. Step 4: Simplify right side
    334,417.75x = 78,681,815,685.69
  5. Step 5: Solve for x
    x = 78,681,815,685.69/334,417.75
  6. Step 6: Final answer
    x = 235,280.02

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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.