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Finding the Fourth Proportional to 658,296.40, 987,444.60 and 606,974.80

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Solution

The fourth proportional to 658,296.40, 987,444.60 and 606,974.80 is: 910,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,296.40 : 987,444.60 = 606,974.80 : x
  2. Step 2: Convert to fraction form
    658,296.40/987,444.60 = 606,974.80/x
  3. Step 3: Cross multiply
    658,296.40x = 987,444.60 × 606,974.80
  4. Step 4: Simplify right side
    658,296.40x = 599,353,988,596.08
  5. Step 5: Solve for x
    x = 599,353,988,596.08/658,296.40
  6. Step 6: Final answer
    x = 910,462.20

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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.