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Finding the Fourth Proportional to 658,043.88, 987,459.06 and 604,506.12

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Solution

The fourth proportional to 658,043.88, 987,459.06 and 604,506.12 is: 907,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,043.88 : 987,459.06 = 604,506.12 : x
  2. Step 2: Convert to fraction form
    658,043.88/987,459.06 = 604,506.12/x
  3. Step 3: Cross multiply
    658,043.88x = 987,459.06 × 604,506.12
  4. Step 4: Simplify right side
    658,043.88x = 596,925,045,019.45
  5. Step 5: Solve for x
    x = 596,925,045,019.45/658,043.88
  6. Step 6: Final answer
    x = 907,120.43

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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.