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Finding the Fourth Proportional to 473,223.20, 653,057.26 and 258,363.82

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Solution

The fourth proportional to 473,223.20, 653,057.26 and 258,363.82 is: 356,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,223.20 : 653,057.26 = 258,363.82 : x
  2. Step 2: Convert to fraction form
    473,223.20/653,057.26 = 258,363.82/x
  3. Step 3: Cross multiply
    473,223.20x = 653,057.26 × 258,363.82
  4. Step 4: Simplify right side
    473,223.20x = 168,726,368,372.33
  5. Step 5: Solve for x
    x = 168,726,368,372.33/473,223.20
  6. Step 6: Final answer
    x = 356,547.12

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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.