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Finding the Fourth Proportional to 472,122.17, 651,508.17 and 268,172.46

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Solution

The fourth proportional to 472,122.17, 651,508.17 and 268,172.46 is: 370,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,122.17 : 651,508.17 = 268,172.46 : x
  2. Step 2: Convert to fraction form
    472,122.17/651,508.17 = 268,172.46/x
  3. Step 3: Cross multiply
    472,122.17x = 651,508.17 × 268,172.46
  4. Step 4: Simplify right side
    472,122.17x = 174,716,548,659.00
  5. Step 5: Solve for x
    x = 174,716,548,659.00/472,122.17
  6. Step 6: Final answer
    x = 370,066.40

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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.