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Finding the Fourth Proportional to 292,332.72, 403,418.52 and 158,196.72

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Solution

The fourth proportional to 292,332.72, 403,418.52 and 158,196.72 is: 218,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,332.72 : 403,418.52 = 158,196.72 : x
  2. Step 2: Convert to fraction form
    292,332.72/403,418.52 = 158,196.72/x
  3. Step 3: Cross multiply
    292,332.72x = 403,418.52 × 158,196.72
  4. Step 4: Simplify right side
    292,332.72x = 63,819,486,651.25
  5. Step 5: Solve for x
    x = 63,819,486,651.25/292,332.72
  6. Step 6: Final answer
    x = 218,311.13

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1.5x scale

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.