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Finding the Fourth Proportional to 375,027.96, 517,539.95 and 202,945.90

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Solution

The fourth proportional to 375,027.96, 517,539.95 and 202,945.90 is: 280,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,027.96 : 517,539.95 = 202,945.90 : x
  2. Step 2: Convert to fraction form
    375,027.96/517,539.95 = 202,945.90/x
  3. Step 3: Cross multiply
    375,027.96x = 517,539.95 × 202,945.90
  4. Step 4: Simplify right side
    375,027.96x = 105,032,610,938.71
  5. Step 5: Solve for x
    x = 105,032,610,938.71/375,027.96
  6. Step 6: Final answer
    x = 280,066.08

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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.