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Finding the Fourth Proportional to 473,223.42, 653,063.76 and 258,379.82

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Solution

The fourth proportional to 473,223.42, 653,063.76 and 258,379.82 is: 356,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,223.42 : 653,063.76 = 258,379.82 : x
  2. Step 2: Convert to fraction form
    473,223.42/653,063.76 = 258,379.82/x
  3. Step 3: Cross multiply
    473,223.42x = 653,063.76 × 258,379.82
  4. Step 4: Simplify right side
    473,223.42x = 168,738,496,757.32
  5. Step 5: Solve for x
    x = 168,738,496,757.32/473,223.42
  6. Step 6: Final answer
    x = 356,572.58

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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.