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Finding the Fourth Proportional to 604,839.30, 907,368.30 and 304,564.20

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Solution

The fourth proportional to 604,839.30, 907,368.30 and 304,564.20 is: 456,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,839.30 : 907,368.30 = 304,564.20 : x
  2. Step 2: Convert to fraction form
    604,839.30/907,368.30 = 304,564.20/x
  3. Step 3: Cross multiply
    604,839.30x = 907,368.30 × 304,564.20
  4. Step 4: Simplify right side
    604,839.30x = 276,351,900,394.86
  5. Step 5: Solve for x
    x = 276,351,900,394.86/604,839.30
  6. Step 6: Final answer
    x = 456,901.36

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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.