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Finding the Fourth Proportional to 903,700.80, 1,354,605.39 and 304,454.88

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Solution

The fourth proportional to 903,700.80, 1,354,605.39 and 304,454.88 is: 456,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,700.80 : 1,354,605.39 = 304,454.88 : x
  2. Step 2: Convert to fraction form
    903,700.80/1,354,605.39 = 304,454.88/x
  3. Step 3: Cross multiply
    903,700.80x = 1,354,605.39 × 304,454.88
  4. Step 4: Simplify right side
    903,700.80x = 412,416,221,459.80
  5. Step 5: Solve for x
    x = 412,416,221,459.80/903,700.80
  6. Step 6: Final answer
    x = 456,363.68

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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.