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Finding the Fourth Proportional to 465,141.76, 642,073.23 and 452,343.62

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Solution

The fourth proportional to 465,141.76, 642,073.23 and 452,343.62 is: 624,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,141.76 : 642,073.23 = 452,343.62 : x
  2. Step 2: Convert to fraction form
    465,141.76/642,073.23 = 452,343.62/x
  3. Step 3: Cross multiply
    465,141.76x = 642,073.23 × 452,343.62
  4. Step 4: Simplify right side
    465,141.76x = 290,437,730,768.48
  5. Step 5: Solve for x
    x = 290,437,730,768.48/465,141.76
  6. Step 6: Final answer
    x = 624,406.92

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1.5x scale

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.