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Finding the Fourth Proportional to 434,842.80, 652,264.20 and 293,125.20

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Solution

The fourth proportional to 434,842.80, 652,264.20 and 293,125.20 is: 439,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,842.80 : 652,264.20 = 293,125.20 : x
  2. Step 2: Convert to fraction form
    434,842.80/652,264.20 = 293,125.20/x
  3. Step 3: Cross multiply
    434,842.80x = 652,264.20 × 293,125.20
  4. Step 4: Simplify right side
    434,842.80x = 191,195,074,077.84
  5. Step 5: Solve for x
    x = 191,195,074,077.84/434,842.80
  6. Step 6: Final answer
    x = 439,687.80

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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.