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Finding the Fourth Proportional to 454,502.56, 627,234.96 and 253,300

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Solution

The fourth proportional to 454,502.56, 627,234.96 and 253,300 is: 349,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,502.56 : 627,234.96 = 253,300 : x
  2. Step 2: Convert to fraction form
    454,502.56/627,234.96 = 253,300/x
  3. Step 3: Cross multiply
    454,502.56x = 627,234.96 × 253,300
  4. Step 4: Simplify right side
    454,502.56x = 158,878,615,368
  5. Step 5: Solve for x
    x = 158,878,615,368/454,502.56
  6. Step 6: Final answer
    x = 349,565.94

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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.