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Finding the Fourth Proportional to 292,344, 438,530.40 and 95,352

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Solution

The fourth proportional to 292,344, 438,530.40 and 95,352 is: 143,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,344 : 438,530.40 = 95,352 : x
  2. Step 2: Convert to fraction form
    292,344/438,530.40 = 95,352/x
  3. Step 3: Cross multiply
    292,344x = 438,530.40 × 95,352
  4. Step 4: Simplify right side
    292,344x = 41,814,750,700.80
  5. Step 5: Solve for x
    x = 41,814,750,700.80/292,344
  6. Step 6: Final answer
    x = 143,032.70

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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.