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Finding the Fourth Proportional to 347,169.78, 519,913.76 and 240,254.15

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Solution

The fourth proportional to 347,169.78, 519,913.76 and 240,254.15 is: 359,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,169.78 : 519,913.76 = 240,254.15 : x
  2. Step 2: Convert to fraction form
    347,169.78/519,913.76 = 240,254.15/x
  3. Step 3: Cross multiply
    347,169.78x = 519,913.76 × 240,254.15
  4. Step 4: Simplify right side
    347,169.78x = 124,911,434,681.26
  5. Step 5: Solve for x
    x = 124,911,434,681.26/347,169.78
  6. Step 6: Final answer
    x = 359,799.27

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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.