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Finding the Fourth Proportional to 635,307.60, 953,356.14 and 395,891.40

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Solution

The fourth proportional to 635,307.60, 953,356.14 and 395,891.40 is: 594,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,307.60 : 953,356.14 = 395,891.40 : x
  2. Step 2: Convert to fraction form
    635,307.60/953,356.14 = 395,891.40/x
  3. Step 3: Cross multiply
    635,307.60x = 953,356.14 × 395,891.40
  4. Step 4: Simplify right side
    635,307.60x = 377,425,496,963.20
  5. Step 5: Solve for x
    x = 377,425,496,963.20/635,307.60
  6. Step 6: Final answer
    x = 594,083.08

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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.