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Finding the Fourth Proportional to 473,685.03, 653,693.90 and 258,834.15

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Solution

The fourth proportional to 473,685.03, 653,693.90 and 258,834.15 is: 357,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,685.03 : 653,693.90 = 258,834.15 : x
  2. Step 2: Convert to fraction form
    473,685.03/653,693.90 = 258,834.15/x
  3. Step 3: Cross multiply
    473,685.03x = 653,693.90 × 258,834.15
  4. Step 4: Simplify right side
    473,685.03x = 169,198,303,672.51
  5. Step 5: Solve for x
    x = 169,198,303,672.51/473,685.03
  6. Step 6: Final answer
    x = 357,195.80

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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.