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Finding the Fourth Proportional to 403,330.80, 604,267.20 and 234,713.10

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Solution

The fourth proportional to 403,330.80, 604,267.20 and 234,713.10 is: 351,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,330.80 : 604,267.20 = 234,713.10 : x
  2. Step 2: Convert to fraction form
    403,330.80/604,267.20 = 234,713.10/x
  3. Step 3: Cross multiply
    403,330.80x = 604,267.20 × 234,713.10
  4. Step 4: Simplify right side
    403,330.80x = 141,829,427,740.32
  5. Step 5: Solve for x
    x = 141,829,427,740.32/403,330.80
  6. Step 6: Final answer
    x = 351,645.42

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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.