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Finding the Fourth Proportional to 814,754, 1,124,360.56 and 457,058

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Solution

The fourth proportional to 814,754, 1,124,360.56 and 457,058 is: 630,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,754 : 1,124,360.56 = 457,058 : x
  2. Step 2: Convert to fraction form
    814,754/1,124,360.56 = 457,058/x
  3. Step 3: Cross multiply
    814,754x = 1,124,360.56 × 457,058
  4. Step 4: Simplify right side
    814,754x = 513,897,988,832.48
  5. Step 5: Solve for x
    x = 513,897,988,832.48/814,754
  6. Step 6: Final answer
    x = 630,740.06

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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.