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Finding the Fourth Proportional to 533,997.61, 736,915.48 and 292,278.07

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Solution

The fourth proportional to 533,997.61, 736,915.48 and 292,278.07 is: 403,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,997.61 : 736,915.48 = 292,278.07 : x
  2. Step 2: Convert to fraction form
    533,997.61/736,915.48 = 292,278.07/x
  3. Step 3: Cross multiply
    533,997.61x = 736,915.48 × 292,278.07
  4. Step 4: Simplify right side
    533,997.61x = 215,384,234,437.97
  5. Step 5: Solve for x
    x = 215,384,234,437.97/533,997.61
  6. Step 6: Final answer
    x = 403,343.07

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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.