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Finding the Fourth Proportional to 292,595.40, 439,002.40 and 115,226.04

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Solution

The fourth proportional to 292,595.40, 439,002.40 and 115,226.04 is: 172,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,595.40 : 439,002.40 = 115,226.04 : x
  2. Step 2: Convert to fraction form
    292,595.40/439,002.40 = 115,226.04/x
  3. Step 3: Cross multiply
    292,595.40x = 439,002.40 × 115,226.04
  4. Step 4: Simplify right side
    292,595.40x = 50,584,508,102.50
  5. Step 5: Solve for x
    x = 50,584,508,102.50/292,595.40
  6. Step 6: Final answer
    x = 172,882.10

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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.