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Finding the Fourth Proportional to 292,354.86, 403,449.70 and 158,218.86

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Solution

The fourth proportional to 292,354.86, 403,449.70 and 158,218.86 is: 218,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,354.86 : 403,449.70 = 158,218.86 : x
  2. Step 2: Convert to fraction form
    292,354.86/403,449.70 = 158,218.86/x
  3. Step 3: Cross multiply
    292,354.86x = 403,449.70 × 158,218.86
  4. Step 4: Simplify right side
    292,354.86x = 63,833,351,601.34
  5. Step 5: Solve for x
    x = 63,833,351,601.34/292,354.86
  6. Step 6: Final answer
    x = 218,342.02

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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.