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Finding the Fourth Proportional to 571,889.40, 857,250.90 and 335,110.20

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Solution

The fourth proportional to 571,889.40, 857,250.90 and 335,110.20 is: 502,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,889.40 : 857,250.90 = 335,110.20 : x
  2. Step 2: Convert to fraction form
    571,889.40/857,250.90 = 335,110.20/x
  3. Step 3: Cross multiply
    571,889.40x = 857,250.90 × 335,110.20
  4. Step 4: Simplify right side
    571,889.40x = 287,273,520,549.18
  5. Step 5: Solve for x
    x = 287,273,520,549.18/571,889.40
  6. Step 6: Final answer
    x = 502,323.56

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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.