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Finding the Fourth Proportional to 535,599.90, 739,103.13 and 293,876.46

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Solution

The fourth proportional to 535,599.90, 739,103.13 and 293,876.46 is: 405,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,599.90 : 739,103.13 = 293,876.46 : x
  2. Step 2: Convert to fraction form
    535,599.90/739,103.13 = 293,876.46/x
  3. Step 3: Cross multiply
    535,599.90x = 739,103.13 × 293,876.46
  4. Step 4: Simplify right side
    535,599.90x = 217,205,011,419.32
  5. Step 5: Solve for x
    x = 217,205,011,419.32/535,599.90
  6. Step 6: Final answer
    x = 405,535.94

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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.