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Finding the Fourth Proportional to 497,564.40, 746,346.60 and 123,587.40

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Solution

The fourth proportional to 497,564.40, 746,346.60 and 123,587.40 is: 185,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,564.40 : 746,346.60 = 123,587.40 : x
  2. Step 2: Convert to fraction form
    497,564.40/746,346.60 = 123,587.40/x
  3. Step 3: Cross multiply
    497,564.40x = 746,346.60 × 123,587.40
  4. Step 4: Simplify right side
    497,564.40x = 92,239,035,792.84
  5. Step 5: Solve for x
    x = 92,239,035,792.84/497,564.40
  6. Step 6: Final answer
    x = 185,381.10

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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.