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Finding the Fourth Proportional to 472,815.66, 652,482.51 and 268,866.60

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Solution

The fourth proportional to 472,815.66, 652,482.51 and 268,866.60 is: 371,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,815.66 : 652,482.51 = 268,866.60 : x
  2. Step 2: Convert to fraction form
    472,815.66/652,482.51 = 268,866.60/x
  3. Step 3: Cross multiply
    472,815.66x = 652,482.51 × 268,866.60
  4. Step 4: Simplify right side
    472,815.66x = 175,430,754,023.17
  5. Step 5: Solve for x
    x = 175,430,754,023.17/472,815.66
  6. Step 6: Final answer
    x = 371,034.14

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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.