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Finding the Fourth Proportional to 676,278.56, 933,264.36 and 374,472.56

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Solution

The fourth proportional to 676,278.56, 933,264.36 and 374,472.56 is: 516,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,278.56 : 933,264.36 = 374,472.56 : x
  2. Step 2: Convert to fraction form
    676,278.56/933,264.36 = 374,472.56/x
  3. Step 3: Cross multiply
    676,278.56x = 933,264.36 × 374,472.56
  4. Step 4: Simplify right side
    676,278.56x = 349,481,894,045.96
  5. Step 5: Solve for x
    x = 349,481,894,045.96/676,278.56
  6. Step 6: Final answer
    x = 516,772.10

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1.5x scale

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.