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Finding the Fourth Proportional to 367,167.78, 549,681.91 and 272,816.15

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Solution

The fourth proportional to 367,167.78, 549,681.91 and 272,816.15 is: 408,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,167.78 : 549,681.91 = 272,816.15 : x
  2. Step 2: Convert to fraction form
    367,167.78/549,681.91 = 272,816.15/x
  3. Step 3: Cross multiply
    367,167.78x = 549,681.91 × 272,816.15
  4. Step 4: Simplify right side
    367,167.78x = 149,962,098,980.40
  5. Step 5: Solve for x
    x = 149,962,098,980.40/367,167.78
  6. Step 6: Final answer
    x = 408,429.35

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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.