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Finding the Fourth Proportional to 292,813.76, 404,072.16 and 158,674.88

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Solution

The fourth proportional to 292,813.76, 404,072.16 and 158,674.88 is: 218,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,813.76 : 404,072.16 = 158,674.88 : x
  2. Step 2: Convert to fraction form
    292,813.76/404,072.16 = 158,674.88/x
  3. Step 3: Cross multiply
    292,813.76x = 404,072.16 × 158,674.88
  4. Step 4: Simplify right side
    292,813.76x = 64,116,101,499.34
  5. Step 5: Solve for x
    x = 64,116,101,499.34/292,813.76
  6. Step 6: Final answer
    x = 218,965.47

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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.