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Finding the Fourth Proportional to 454,599.09, 627,615.54 and 404,158.50

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Solution

The fourth proportional to 454,599.09, 627,615.54 and 404,158.50 is: 557,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,599.09 : 627,615.54 = 404,158.50 : x
  2. Step 2: Convert to fraction form
    454,599.09/627,615.54 = 404,158.50/x
  3. Step 3: Cross multiply
    454,599.09x = 627,615.54 × 404,158.50
  4. Step 4: Simplify right side
    454,599.09x = 253,656,155,223.09
  5. Step 5: Solve for x
    x = 253,656,155,223.09/454,599.09
  6. Step 6: Final answer
    x = 557,977.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.