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Finding the Fourth Proportional to 526,240.79, 726,214.31 and 293,677.64

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Solution

The fourth proportional to 526,240.79, 726,214.31 and 293,677.64 is: 405,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,240.79 : 726,214.31 = 293,677.64 : x
  2. Step 2: Convert to fraction form
    526,240.79/726,214.31 = 293,677.64/x
  3. Step 3: Cross multiply
    526,240.79x = 726,214.31 × 293,677.64
  4. Step 4: Simplify right side
    526,240.79x = 213,272,899,595.57
  5. Step 5: Solve for x
    x = 213,272,899,595.57/526,240.79
  6. Step 6: Final answer
    x = 405,276.26

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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.