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Finding the Fourth Proportional to 472,666.65, 652,335.12 and 268,748.12

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Solution

The fourth proportional to 472,666.65, 652,335.12 and 268,748.12 is: 370,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,666.65 : 652,335.12 = 268,748.12 : x
  2. Step 2: Convert to fraction form
    472,666.65/652,335.12 = 268,748.12/x
  3. Step 3: Cross multiply
    472,666.65x = 652,335.12 × 268,748.12
  4. Step 4: Simplify right side
    472,666.65x = 175,313,838,068.94
  5. Step 5: Solve for x
    x = 175,313,838,068.94/472,666.65
  6. Step 6: Final answer
    x = 370,903.76

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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.