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Finding the Fourth Proportional to 529,807.88, 794,711.97 and 155,830.88

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Solution

The fourth proportional to 529,807.88, 794,711.97 and 155,830.88 is: 233,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,807.88 : 794,711.97 = 155,830.88 : x
  2. Step 2: Convert to fraction form
    529,807.88/794,711.97 = 155,830.88/x
  3. Step 3: Cross multiply
    529,807.88x = 794,711.97 × 155,830.88
  4. Step 4: Simplify right side
    529,807.88x = 123,840,664,638.24
  5. Step 5: Solve for x
    x = 123,840,664,638.24/529,807.88
  6. Step 6: Final answer
    x = 233,746.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.