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Finding the Fourth Proportional to 502,460.64, 693,387.84 and 276,101.28

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Solution

The fourth proportional to 502,460.64, 693,387.84 and 276,101.28 is: 381,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,460.64 : 693,387.84 = 276,101.28 : x
  2. Step 2: Convert to fraction form
    502,460.64/693,387.84 = 276,101.28/x
  3. Step 3: Cross multiply
    502,460.64x = 693,387.84 × 276,101.28
  4. Step 4: Simplify right side
    502,460.64x = 191,445,270,160.44
  5. Step 5: Solve for x
    x = 191,445,270,160.44/502,460.64
  6. Step 6: Final answer
    x = 381,015.46

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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.