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Finding the Fourth Proportional to 572,057.82, 858,363.75 and 235,347.30

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Solution

The fourth proportional to 572,057.82, 858,363.75 and 235,347.30 is: 353,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,057.82 : 858,363.75 = 235,347.30 : x
  2. Step 2: Convert to fraction form
    572,057.82/858,363.75 = 235,347.30/x
  3. Step 3: Cross multiply
    572,057.82x = 858,363.75 × 235,347.30
  4. Step 4: Simplify right side
    572,057.82x = 202,013,590,980.38
  5. Step 5: Solve for x
    x = 202,013,590,980.38/572,057.82
  6. Step 6: Final answer
    x = 353,134.92

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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.