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Finding the Fourth Proportional to 292,674.24, 403,891.20 and 158,538.24

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Solution

The fourth proportional to 292,674.24, 403,891.20 and 158,538.24 is: 218,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,674.24 : 403,891.20 = 158,538.24 : x
  2. Step 2: Convert to fraction form
    292,674.24/403,891.20 = 158,538.24/x
  3. Step 3: Cross multiply
    292,674.24x = 403,891.20 × 158,538.24
  4. Step 4: Simplify right side
    292,674.24x = 64,032,199,999.49
  5. Step 5: Solve for x
    x = 64,032,199,999.49/292,674.24
  6. Step 6: Final answer
    x = 218,783.18

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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.