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Finding the Fourth Proportional to 367,070.30, 550,475.85 and 130,420.70

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Solution

The fourth proportional to 367,070.30, 550,475.85 and 130,420.70 is: 195,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,070.30 : 550,475.85 = 130,420.70 : x
  2. Step 2: Convert to fraction form
    367,070.30/550,475.85 = 130,420.70/x
  3. Step 3: Cross multiply
    367,070.30x = 550,475.85 × 130,420.70
  4. Step 4: Simplify right side
    367,070.30x = 71,793,445,690.10
  5. Step 5: Solve for x
    x = 71,793,445,690.10/367,070.30
  6. Step 6: Final answer
    x = 195,585.00

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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.