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Finding the Fourth Proportional to 375,642.54, 563,463.81 and 227,587.50

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Solution

The fourth proportional to 375,642.54, 563,463.81 and 227,587.50 is: 341,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,642.54 : 563,463.81 = 227,587.50 : x
  2. Step 2: Convert to fraction form
    375,642.54/563,463.81 = 227,587.50/x
  3. Step 3: Cross multiply
    375,642.54x = 563,463.81 × 227,587.50
  4. Step 4: Simplify right side
    375,642.54x = 128,237,319,858.38
  5. Step 5: Solve for x
    x = 128,237,319,858.38/375,642.54
  6. Step 6: Final answer
    x = 341,381.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.