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Finding the Fourth Proportional to 580,030.64, 800,262.92 and 338,141.96

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Solution

The fourth proportional to 580,030.64, 800,262.92 and 338,141.96 is: 466,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,030.64 : 800,262.92 = 338,141.96 : x
  2. Step 2: Convert to fraction form
    580,030.64/800,262.92 = 338,141.96/x
  3. Step 3: Cross multiply
    580,030.64x = 800,262.92 × 338,141.96
  4. Step 4: Simplify right side
    580,030.64x = 270,602,472,284.12
  5. Step 5: Solve for x
    x = 270,602,472,284.12/580,030.64
  6. Step 6: Final answer
    x = 466,531.34

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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.