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Finding the Fourth Proportional to 472,796.10, 652,433.13 and 268,818.89

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Solution

The fourth proportional to 472,796.10, 652,433.13 and 268,818.89 is: 370,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,796.10 : 652,433.13 = 268,818.89 : x
  2. Step 2: Convert to fraction form
    472,796.10/652,433.13 = 268,818.89/x
  3. Step 3: Cross multiply
    472,796.10x = 652,433.13 × 268,818.89
  4. Step 4: Simplify right side
    472,796.10x = 175,386,346,543.66
  5. Step 5: Solve for x
    x = 175,386,346,543.66/472,796.10
  6. Step 6: Final answer
    x = 370,955.57

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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.