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Finding the Fourth Proportional to 473,223.66, 653,045.28 and 258,363.72

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Solution

The fourth proportional to 473,223.66, 653,045.28 and 258,363.72 is: 356,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,223.66 : 653,045.28 = 258,363.72 : x
  2. Step 2: Convert to fraction form
    473,223.66/653,045.28 = 258,363.72/x
  3. Step 3: Cross multiply
    473,223.66x = 653,045.28 × 258,363.72
  4. Step 4: Simplify right side
    473,223.66x = 168,723,207,869.24
  5. Step 5: Solve for x
    x = 168,723,207,869.24/473,223.66
  6. Step 6: Final answer
    x = 356,540.09

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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.