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Finding the Fourth Proportional to 650,047.80, 974,682.90 and 335,119.80

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Solution

The fourth proportional to 650,047.80, 974,682.90 and 335,119.80 is: 502,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,047.80 : 974,682.90 = 335,119.80 : x
  2. Step 2: Convert to fraction form
    650,047.80/974,682.90 = 335,119.80/x
  3. Step 3: Cross multiply
    650,047.80x = 974,682.90 × 335,119.80
  4. Step 4: Simplify right side
    650,047.80x = 326,635,538,511.42
  5. Step 5: Solve for x
    x = 326,635,538,511.42/650,047.80
  6. Step 6: Final answer
    x = 502,479.26

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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.