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Finding the Fourth Proportional to 602,575.56, 902,761.74 and 282,139.56

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Solution

The fourth proportional to 602,575.56, 902,761.74 and 282,139.56 is: 422,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,575.56 : 902,761.74 = 282,139.56 : x
  2. Step 2: Convert to fraction form
    602,575.56/902,761.74 = 282,139.56/x
  3. Step 3: Cross multiply
    602,575.56x = 902,761.74 × 282,139.56
  4. Step 4: Simplify right side
    602,575.56x = 254,704,800,108.43
  5. Step 5: Solve for x
    x = 254,704,800,108.43/602,575.56
  6. Step 6: Final answer
    x = 422,693.55

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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.