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Finding the Fourth Proportional to 292,674.32, 403,891.80 and 158,538.32

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Solution

The fourth proportional to 292,674.32, 403,891.80 and 158,538.32 is: 218,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,674.32 : 403,891.80 = 158,538.32 : x
  2. Step 2: Convert to fraction form
    292,674.32/403,891.80 = 158,538.32/x
  3. Step 3: Cross multiply
    292,674.32x = 403,891.80 × 158,538.32
  4. Step 4: Simplify right side
    292,674.32x = 64,032,327,433.78
  5. Step 5: Solve for x
    x = 64,032,327,433.78/292,674.32
  6. Step 6: Final answer
    x = 218,783.55

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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.