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Finding the Fourth Proportional to 502,410.10, 753,615.15 and 446,422.90

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Solution

The fourth proportional to 502,410.10, 753,615.15 and 446,422.90 is: 669,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,410.10 : 753,615.15 = 446,422.90 : x
  2. Step 2: Convert to fraction form
    502,410.10/753,615.15 = 446,422.90/x
  3. Step 3: Cross multiply
    502,410.10x = 753,615.15 × 446,422.90
  4. Step 4: Simplify right side
    502,410.10x = 336,431,060,746.94
  5. Step 5: Solve for x
    x = 336,431,060,746.94/502,410.10
  6. Step 6: Final answer
    x = 669,634.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.