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Finding the Fourth Proportional to 297,030.60, 445,545.90 and 171,059.40

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Solution

The fourth proportional to 297,030.60, 445,545.90 and 171,059.40 is: 256,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,030.60 : 445,545.90 = 171,059.40 : x
  2. Step 2: Convert to fraction form
    297,030.60/445,545.90 = 171,059.40/x
  3. Step 3: Cross multiply
    297,030.60x = 445,545.90 × 171,059.40
  4. Step 4: Simplify right side
    297,030.60x = 76,214,814,326.46
  5. Step 5: Solve for x
    x = 76,214,814,326.46/297,030.60
  6. Step 6: Final answer
    x = 256,589.10

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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.