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Finding the Fourth Proportional to 454,925.16, 627,798.80 and 250,978.50

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Solution

The fourth proportional to 454,925.16, 627,798.80 and 250,978.50 is: 346,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,925.16 : 627,798.80 = 250,978.50 : x
  2. Step 2: Convert to fraction form
    454,925.16/627,798.80 = 250,978.50/x
  3. Step 3: Cross multiply
    454,925.16x = 627,798.80 × 250,978.50
  4. Step 4: Simplify right side
    454,925.16x = 157,564,001,753.25
  5. Step 5: Solve for x
    x = 157,564,001,753.25/454,925.16
  6. Step 6: Final answer
    x = 346,351.48

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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.