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Finding the Fourth Proportional to 425,124.04, 586,627.76 and 261,754.60

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Solution

The fourth proportional to 425,124.04, 586,627.76 and 261,754.60 is: 361,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,124.04 : 586,627.76 = 261,754.60 : x
  2. Step 2: Convert to fraction form
    425,124.04/586,627.76 = 261,754.60/x
  3. Step 3: Cross multiply
    425,124.04x = 586,627.76 × 261,754.60
  4. Step 4: Simplify right side
    425,124.04x = 153,552,514,667.70
  5. Step 5: Solve for x
    x = 153,552,514,667.70/425,124.04
  6. Step 6: Final answer
    x = 361,194.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.