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Finding the Fourth Proportional to 431,605, 595,608.06 and 240,630.04

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Solution

The fourth proportional to 431,605, 595,608.06 and 240,630.04 is: 332,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,605 : 595,608.06 = 240,630.04 : x
  2. Step 2: Convert to fraction form
    431,605/595,608.06 = 240,630.04/x
  3. Step 3: Cross multiply
    431,605x = 595,608.06 × 240,630.04
  4. Step 4: Simplify right side
    431,605x = 143,321,191,302.12
  5. Step 5: Solve for x
    x = 143,321,191,302.12/431,605
  6. Step 6: Final answer
    x = 332,065.64

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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.