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Finding the Fourth Proportional to 265,535.80, 397,151.70 and 237,657.40

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Solution

The fourth proportional to 265,535.80, 397,151.70 and 237,657.40 is: 355,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,535.80 : 397,151.70 = 237,657.40 : x
  2. Step 2: Convert to fraction form
    265,535.80/397,151.70 = 237,657.40/x
  3. Step 3: Cross multiply
    265,535.80x = 397,151.70 × 237,657.40
  4. Step 4: Simplify right side
    265,535.80x = 94,386,040,427.58
  5. Step 5: Solve for x
    x = 94,386,040,427.58/265,535.80
  6. Step 6: Final answer
    x = 355,455.05

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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.