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Finding the Fourth Proportional to 604,537.80, 907,505.10 and 324,601.80

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Solution

The fourth proportional to 604,537.80, 907,505.10 and 324,601.80 is: 487,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,537.80 : 907,505.10 = 324,601.80 : x
  2. Step 2: Convert to fraction form
    604,537.80/907,505.10 = 324,601.80/x
  3. Step 3: Cross multiply
    604,537.80x = 907,505.10 × 324,601.80
  4. Step 4: Simplify right side
    604,537.80x = 294,577,788,969.18
  5. Step 5: Solve for x
    x = 294,577,788,969.18/604,537.80
  6. Step 6: Final answer
    x = 487,277.70

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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.