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Finding the Fourth Proportional to 650,101.80, 974,763.90 and 335,173.80

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Solution

The fourth proportional to 650,101.80, 974,763.90 and 335,173.80 is: 502,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,101.80 : 974,763.90 = 335,173.80 : x
  2. Step 2: Convert to fraction form
    650,101.80/974,763.90 = 335,173.80/x
  3. Step 3: Cross multiply
    650,101.80x = 974,763.90 × 335,173.80
  4. Step 4: Simplify right side
    650,101.80x = 326,715,320,465.82
  5. Step 5: Solve for x
    x = 326,715,320,465.82/650,101.80
  6. Step 6: Final answer
    x = 502,560.25

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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.