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Finding the Fourth Proportional to 431,984.90, 596,127.66 and 240,993.38

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Solution

The fourth proportional to 431,984.90, 596,127.66 and 240,993.38 is: 332,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,984.90 : 596,127.66 = 240,993.38 : x
  2. Step 2: Convert to fraction form
    431,984.90/596,127.66 = 240,993.38/x
  3. Step 3: Cross multiply
    431,984.90x = 596,127.66 × 240,993.38
  4. Step 4: Simplify right side
    431,984.90x = 143,662,819,694.89
  5. Step 5: Solve for x
    x = 143,662,819,694.89/431,984.90
  6. Step 6: Final answer
    x = 332,564.45

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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.