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Finding the Fourth Proportional to 265,370.68, 397,952.34 and 117,523

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Solution

The fourth proportional to 265,370.68, 397,952.34 and 117,523 is: 176,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,370.68 : 397,952.34 = 117,523 : x
  2. Step 2: Convert to fraction form
    265,370.68/397,952.34 = 117,523/x
  3. Step 3: Cross multiply
    265,370.68x = 397,952.34 × 117,523
  4. Step 4: Simplify right side
    265,370.68x = 46,768,552,853.82
  5. Step 5: Solve for x
    x = 46,768,552,853.82/265,370.68
  6. Step 6: Final answer
    x = 176,238.58

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1.5x scale

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.