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Finding the Fourth Proportional to 454,436.88, 627,021.86 and 260,832.71

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Solution

The fourth proportional to 454,436.88, 627,021.86 and 260,832.71 is: 359,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,436.88 : 627,021.86 = 260,832.71 : x
  2. Step 2: Convert to fraction form
    454,436.88/627,021.86 = 260,832.71/x
  3. Step 3: Cross multiply
    454,436.88x = 627,021.86 × 260,832.71
  4. Step 4: Simplify right side
    454,436.88x = 163,547,806,533.77
  5. Step 5: Solve for x
    x = 163,547,806,533.77/454,436.88
  6. Step 6: Final answer
    x = 359,891.14

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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.