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Finding the Fourth Proportional to 468,482.98, 702,711.70 and 131,526.42

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Solution

The fourth proportional to 468,482.98, 702,711.70 and 131,526.42 is: 197,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,482.98 : 702,711.70 = 131,526.42 : x
  2. Step 2: Convert to fraction form
    468,482.98/702,711.70 = 131,526.42/x
  3. Step 3: Cross multiply
    468,482.98x = 702,711.70 × 131,526.42
  4. Step 4: Simplify right side
    468,482.98x = 92,425,154,193.11
  5. Step 5: Solve for x
    x = 92,425,154,193.11/468,482.98
  6. Step 6: Final answer
    x = 197,286.04

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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.