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Finding the Fourth Proportional to 526,508.44, 726,581.70 and 297,114.28

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Solution

The fourth proportional to 526,508.44, 726,581.70 and 297,114.28 is: 410,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,508.44 : 726,581.70 = 297,114.28 : x
  2. Step 2: Convert to fraction form
    526,508.44/726,581.70 = 297,114.28/x
  3. Step 3: Cross multiply
    526,508.44x = 726,581.70 × 297,114.28
  4. Step 4: Simplify right side
    526,508.44x = 215,877,798,656.68
  5. Step 5: Solve for x
    x = 215,877,798,656.68/526,508.44
  6. Step 6: Final answer
    x = 410,017.74

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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.