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Finding the Fourth Proportional to 435,771.70, 653,657.55 and 277,530.10

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Solution

The fourth proportional to 435,771.70, 653,657.55 and 277,530.10 is: 416,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,771.70 : 653,657.55 = 277,530.10 : x
  2. Step 2: Convert to fraction form
    435,771.70/653,657.55 = 277,530.10/x
  3. Step 3: Cross multiply
    435,771.70x = 653,657.55 × 277,530.10
  4. Step 4: Simplify right side
    435,771.70x = 181,409,645,217.26
  5. Step 5: Solve for x
    x = 181,409,645,217.26/435,771.70
  6. Step 6: Final answer
    x = 416,295.15

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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.