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Finding the Fourth Proportional to 292,310.84, 403,388.88 and 158,174.84

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Solution

The fourth proportional to 292,310.84, 403,388.88 and 158,174.84 is: 218,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,310.84 : 403,388.88 = 158,174.84 : x
  2. Step 2: Convert to fraction form
    292,310.84/403,388.88 = 158,174.84/x
  3. Step 3: Cross multiply
    292,310.84x = 403,388.88 × 158,174.84
  4. Step 4: Simplify right side
    292,310.84x = 63,805,971,551.78
  5. Step 5: Solve for x
    x = 63,805,971,551.78/292,310.84
  6. Step 6: Final answer
    x = 218,281.24

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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.