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Finding the Fourth Proportional to 453,528.88, 625,660.46 and 292,435.66

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Solution

The fourth proportional to 453,528.88, 625,660.46 and 292,435.66 is: 403,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,528.88 : 625,660.46 = 292,435.66 : x
  2. Step 2: Convert to fraction form
    453,528.88/625,660.46 = 292,435.66/x
  3. Step 3: Cross multiply
    453,528.88x = 625,660.46 × 292,435.66
  4. Step 4: Simplify right side
    453,528.88x = 182,965,429,556.00
  5. Step 5: Solve for x
    x = 182,965,429,556.00/453,528.88
  6. Step 6: Final answer
    x = 403,426.19

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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.