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Finding the Fourth Proportional to 473,292.36, 653,169.96 and 258,452.40

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Solution

The fourth proportional to 473,292.36, 653,169.96 and 258,452.40 is: 356,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,292.36 : 653,169.96 = 258,452.40 : x
  2. Step 2: Convert to fraction form
    473,292.36/653,169.96 = 258,452.40/x
  3. Step 3: Cross multiply
    473,292.36x = 653,169.96 × 258,452.40
  4. Step 4: Simplify right side
    473,292.36x = 168,813,343,769.90
  5. Step 5: Solve for x
    x = 168,813,343,769.90/473,292.36
  6. Step 6: Final answer
    x = 356,678.78

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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.