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Finding the Fourth Proportional to 472,446.16, 651,992.11 and 268,505.69

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Solution

The fourth proportional to 472,446.16, 651,992.11 and 268,505.69 is: 370,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,446.16 : 651,992.11 = 268,505.69 : x
  2. Step 2: Convert to fraction form
    472,446.16/651,992.11 = 268,505.69/x
  3. Step 3: Cross multiply
    472,446.16x = 651,992.11 × 268,505.69
  4. Step 4: Simplify right side
    472,446.16x = 175,063,587,438.88
  5. Step 5: Solve for x
    x = 175,063,587,438.88/472,446.16
  6. Step 6: Final answer
    x = 370,547.17

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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.