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Finding the Fourth Proportional to 473,543.16, 653,489.82 and 258,685.80

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Solution

The fourth proportional to 473,543.16, 653,489.82 and 258,685.80 is: 356,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,543.16 : 653,489.82 = 258,685.80 : x
  2. Step 2: Convert to fraction form
    473,543.16/653,489.82 = 258,685.80/x
  3. Step 3: Cross multiply
    473,543.16x = 653,489.82 × 258,685.80
  4. Step 4: Simplify right side
    473,543.16x = 169,048,536,878.56
  5. Step 5: Solve for x
    x = 169,048,536,878.56/473,543.16
  6. Step 6: Final answer
    x = 356,986.55

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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.