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Finding the Fourth Proportional to 377,533.52, 520,995.96 and 207,767.64

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Solution

The fourth proportional to 377,533.52, 520,995.96 and 207,767.64 is: 286,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,533.52 : 520,995.96 = 207,767.64 : x
  2. Step 2: Convert to fraction form
    377,533.52/520,995.96 = 207,767.64/x
  3. Step 3: Cross multiply
    377,533.52x = 520,995.96 × 207,767.64
  4. Step 4: Simplify right side
    377,533.52x = 108,246,101,058.73
  5. Step 5: Solve for x
    x = 108,246,101,058.73/377,533.52
  6. Step 6: Final answer
    x = 286,719.18

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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.