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Finding the Fourth Proportional to 292,808.84, 404,076.66 and 158,672.84

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Solution

The fourth proportional to 292,808.84, 404,076.66 and 158,672.84 is: 218,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,808.84 : 404,076.66 = 158,672.84 : x
  2. Step 2: Convert to fraction form
    292,808.84/404,076.66 = 158,672.84/x
  3. Step 3: Cross multiply
    292,808.84x = 404,076.66 × 158,672.84
  4. Step 4: Simplify right side
    292,808.84x = 64,115,991,219.91
  5. Step 5: Solve for x
    x = 64,115,991,219.91/292,808.84
  6. Step 6: Final answer
    x = 218,968.77

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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.