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Finding the Fourth Proportional to 658,110.60, 919,488.60 and 658,110.60

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Solution

The fourth proportional to 658,110.60, 919,488.60 and 658,110.60 is: 919,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,110.60 : 919,488.60 = 658,110.60 : x
  2. Step 2: Convert to fraction form
    658,110.60/919,488.60 = 658,110.60/x
  3. Step 3: Cross multiply
    658,110.60x = 919,488.60 × 658,110.60
  4. Step 4: Simplify right side
    658,110.60x = 605,125,194,239.16
  5. Step 5: Solve for x
    x = 605,125,194,239.16/658,110.60
  6. Step 6: Final answer
    x = 919,488.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.