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Finding the Fourth Proportional to 473,476.85, 653,393.72 and 258,616.85

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Solution

The fourth proportional to 473,476.85, 653,393.72 and 258,616.85 is: 356,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,476.85 : 653,393.72 = 258,616.85 : x
  2. Step 2: Convert to fraction form
    473,476.85/653,393.72 = 258,616.85/x
  3. Step 3: Cross multiply
    473,476.85x = 653,393.72 × 258,616.85
  4. Step 4: Simplify right side
    473,476.85x = 168,978,621,116.13
  5. Step 5: Solve for x
    x = 168,978,621,116.13/473,476.85
  6. Step 6: Final answer
    x = 356,888.88

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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.