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Finding the Fourth Proportional to 650,308.80, 974,807.10 and 295,577.40

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Solution

The fourth proportional to 650,308.80, 974,807.10 and 295,577.40 is: 443,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,308.80 : 974,807.10 = 295,577.40 : x
  2. Step 2: Convert to fraction form
    650,308.80/974,807.10 = 295,577.40/x
  3. Step 3: Cross multiply
    650,308.80x = 974,807.10 × 295,577.40
  4. Step 4: Simplify right side
    650,308.80x = 288,130,948,119.54
  5. Step 5: Solve for x
    x = 288,130,948,119.54/650,308.80
  6. Step 6: Final answer
    x = 443,067.89

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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.