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Finding the Fourth Proportional to 431,986.90, 596,130.42 and 240,995.38

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Solution

The fourth proportional to 431,986.90, 596,130.42 and 240,995.38 is: 332,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,986.90 : 596,130.42 = 240,995.38 : x
  2. Step 2: Convert to fraction form
    431,986.90/596,130.42 = 240,995.38/x
  3. Step 3: Cross multiply
    431,986.90x = 596,130.42 × 240,995.38
  4. Step 4: Simplify right side
    431,986.90x = 143,664,677,097.46
  5. Step 5: Solve for x
    x = 143,664,677,097.46/431,986.90
  6. Step 6: Final answer
    x = 332,567.21

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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.