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Finding the Fourth Proportional to 472,747.32, 652,364.64 and 268,769.88

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Solution

The fourth proportional to 472,747.32, 652,364.64 and 268,769.88 is: 370,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,747.32 : 652,364.64 = 268,769.88 : x
  2. Step 2: Convert to fraction form
    472,747.32/652,364.64 = 268,769.88/x
  3. Step 3: Cross multiply
    472,747.32x = 652,364.64 × 268,769.88
  4. Step 4: Simplify right side
    472,747.32x = 175,335,966,009.04
  5. Step 5: Solve for x
    x = 175,335,966,009.04/472,747.32
  6. Step 6: Final answer
    x = 370,887.28

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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.