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Finding the Fourth Proportional to 435,795.40, 653,693.10 and 248,825.80

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Solution

The fourth proportional to 435,795.40, 653,693.10 and 248,825.80 is: 373,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,795.40 : 653,693.10 = 248,825.80 : x
  2. Step 2: Convert to fraction form
    435,795.40/653,693.10 = 248,825.80/x
  3. Step 3: Cross multiply
    435,795.40x = 653,693.10 × 248,825.80
  4. Step 4: Simplify right side
    435,795.40x = 162,655,708,561.98
  5. Step 5: Solve for x
    x = 162,655,708,561.98/435,795.40
  6. Step 6: Final answer
    x = 373,238.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.