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Finding the Fourth Proportional to 434,461.04, 651,793.56 and 134,926.16

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Solution

The fourth proportional to 434,461.04, 651,793.56 and 134,926.16 is: 202,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,461.04 : 651,793.56 = 134,926.16 : x
  2. Step 2: Convert to fraction form
    434,461.04/651,793.56 = 134,926.16/x
  3. Step 3: Cross multiply
    434,461.04x = 651,793.56 × 134,926.16
  4. Step 4: Simplify right side
    434,461.04x = 87,944,002,163.53
  5. Step 5: Solve for x
    x = 87,944,002,163.53/434,461.04
  6. Step 6: Final answer
    x = 202,420.92

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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.