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Finding the Fourth Proportional to 431,833.90, 595,931.57 and 240,859.59

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Solution

The fourth proportional to 431,833.90, 595,931.57 and 240,859.59 is: 332,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,833.90 : 595,931.57 = 240,859.59 : x
  2. Step 2: Convert to fraction form
    431,833.90/595,931.57 = 240,859.59/x
  3. Step 3: Cross multiply
    431,833.90x = 595,931.57 × 240,859.59
  4. Step 4: Simplify right side
    431,833.90x = 143,535,833,618.26
  5. Step 5: Solve for x
    x = 143,535,833,618.26/431,833.90
  6. Step 6: Final answer
    x = 332,386.68

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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.