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Finding the Fourth Proportional to 431,174.40, 595,038.60 and 240,187.74

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Solution

The fourth proportional to 431,174.40, 595,038.60 and 240,187.74 is: 331,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,174.40 : 595,038.60 = 240,187.74 : x
  2. Step 2: Convert to fraction form
    431,174.40/595,038.60 = 240,187.74/x
  3. Step 3: Cross multiply
    431,174.40x = 595,038.60 × 240,187.74
  4. Step 4: Simplify right side
    431,174.40x = 142,920,976,546.76
  5. Step 5: Solve for x
    x = 142,920,976,546.76/431,174.40
  6. Step 6: Final answer
    x = 331,469.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.