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Finding the Fourth Proportional to 473,475.98, 653,392.97 and 258,616.18

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Solution

The fourth proportional to 473,475.98, 653,392.97 and 258,616.18 is: 356,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,475.98 : 653,392.97 = 258,616.18 : x
  2. Step 2: Convert to fraction form
    473,475.98/653,392.97 = 258,616.18/x
  3. Step 3: Cross multiply
    473,475.98x = 653,392.97 × 258,616.18
  4. Step 4: Simplify right side
    473,475.98x = 168,977,993,940.26
  5. Step 5: Solve for x
    x = 168,977,993,940.26/473,475.98
  6. Step 6: Final answer
    x = 356,888.21

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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.