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Finding the Fourth Proportional to 425,332.42, 637,396.80 and 235,876.12

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Solution

The fourth proportional to 425,332.42, 637,396.80 and 235,876.12 is: 353,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,332.42 : 637,396.80 = 235,876.12 : x
  2. Step 2: Convert to fraction form
    425,332.42/637,396.80 = 235,876.12/x
  3. Step 3: Cross multiply
    425,332.42x = 637,396.80 × 235,876.12
  4. Step 4: Simplify right side
    425,332.42x = 150,346,684,084.42
  5. Step 5: Solve for x
    x = 150,346,684,084.42/425,332.42
  6. Step 6: Final answer
    x = 353,480.42

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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.