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Finding the Fourth Proportional to 454,878.65, 627,722.51 and 250,929.74

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Solution

The fourth proportional to 454,878.65, 627,722.51 and 250,929.74 is: 346,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,878.65 : 627,722.51 = 250,929.74 : x
  2. Step 2: Convert to fraction form
    454,878.65/627,722.51 = 250,929.74/x
  3. Step 3: Cross multiply
    454,878.65x = 627,722.51 × 250,929.74
  4. Step 4: Simplify right side
    454,878.65x = 157,514,246,541.11
  5. Step 5: Solve for x
    x = 157,514,246,541.11/454,878.65
  6. Step 6: Final answer
    x = 346,277.51

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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.