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Finding the Fourth Proportional to 571,943.70, 857,357.87 and 272,343.87

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Solution

The fourth proportional to 571,943.70, 857,357.87 and 272,343.87 is: 408,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,943.70 : 857,357.87 = 272,343.87 : x
  2. Step 2: Convert to fraction form
    571,943.70/857,357.87 = 272,343.87/x
  3. Step 3: Cross multiply
    571,943.70x = 857,357.87 × 272,343.87
  4. Step 4: Simplify right side
    571,943.70x = 233,496,158,929.04
  5. Step 5: Solve for x
    x = 233,496,158,929.04/571,943.70
  6. Step 6: Final answer
    x = 408,250.25

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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.