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Finding the Fourth Proportional to 431,684.16, 595,726.68 and 240,709.60

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Solution

The fourth proportional to 431,684.16, 595,726.68 and 240,709.60 is: 332,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,684.16 : 595,726.68 = 240,709.60 : x
  2. Step 2: Convert to fraction form
    431,684.16/595,726.68 = 240,709.60/x
  3. Step 3: Cross multiply
    431,684.16x = 595,726.68 × 240,709.60
  4. Step 4: Simplify right side
    431,684.16x = 143,397,130,852.13
  5. Step 5: Solve for x
    x = 143,397,130,852.13/431,684.16
  6. Step 6: Final answer
    x = 332,180.66

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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.