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Finding the Fourth Proportional to 480,459.46, 720,126.27 and 195,972.46

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Solution

The fourth proportional to 480,459.46, 720,126.27 and 195,972.46 is: 293,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,459.46 : 720,126.27 = 195,972.46 : x
  2. Step 2: Convert to fraction form
    480,459.46/720,126.27 = 195,972.46/x
  3. Step 3: Cross multiply
    480,459.46x = 720,126.27 × 195,972.46
  4. Step 4: Simplify right side
    480,459.46x = 141,124,916,642.52
  5. Step 5: Solve for x
    x = 141,124,916,642.52/480,459.46
  6. Step 6: Final answer
    x = 293,729.08

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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.