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Finding the Fourth Proportional to 604,815.80, 907,333.05 and 304,540.70

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Solution

The fourth proportional to 604,815.80, 907,333.05 and 304,540.70 is: 456,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,815.80 : 907,333.05 = 304,540.70 : x
  2. Step 2: Convert to fraction form
    604,815.80/907,333.05 = 304,540.70/x
  3. Step 3: Cross multiply
    604,815.80x = 907,333.05 × 304,540.70
  4. Step 4: Simplify right side
    604,815.80x = 276,319,842,180.14
  5. Step 5: Solve for x
    x = 276,319,842,180.14/604,815.80
  6. Step 6: Final answer
    x = 456,866.11

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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.