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Finding the Fourth Proportional to 476,754, 715,119.92 and 240,033.12

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Solution

The fourth proportional to 476,754, 715,119.92 and 240,033.12 is: 360,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,754 : 715,119.92 = 240,033.12 : x
  2. Step 2: Convert to fraction form
    476,754/715,119.92 = 240,033.12/x
  3. Step 3: Cross multiply
    476,754x = 715,119.92 × 240,033.12
  4. Step 4: Simplify right side
    476,754x = 171,652,465,571.75
  5. Step 5: Solve for x
    x = 171,652,465,571.75/476,754
  6. Step 6: Final answer
    x = 360,044.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.