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Finding the Fourth Proportional to 661,793.00, 913,292.76 and 371,422.58

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Solution

The fourth proportional to 661,793.00, 913,292.76 and 371,422.58 is: 512,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,793.00 : 913,292.76 = 371,422.58 : x
  2. Step 2: Convert to fraction form
    661,793.00/913,292.76 = 371,422.58/x
  3. Step 3: Cross multiply
    661,793.00x = 913,292.76 × 371,422.58
  4. Step 4: Simplify right side
    661,793.00x = 339,217,548,648.06
  5. Step 5: Solve for x
    x = 339,217,548,648.06/661,793.00
  6. Step 6: Final answer
    x = 512,573.50

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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.