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Finding the Fourth Proportional to 434,065.80, 651,098.70 and 266,104.20

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Solution

The fourth proportional to 434,065.80, 651,098.70 and 266,104.20 is: 399,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,065.80 : 651,098.70 = 266,104.20 : x
  2. Step 2: Convert to fraction form
    434,065.80/651,098.70 = 266,104.20/x
  3. Step 3: Cross multiply
    434,065.80x = 651,098.70 × 266,104.20
  4. Step 4: Simplify right side
    434,065.80x = 173,260,098,684.54
  5. Step 5: Solve for x
    x = 173,260,098,684.54/434,065.80
  6. Step 6: Final answer
    x = 399,156.30

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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.