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Finding the Fourth Proportional to 292,277.40, 403,299.52 and 177,496.20

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Solution

The fourth proportional to 292,277.40, 403,299.52 and 177,496.20 is: 244,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,277.40 : 403,299.52 = 177,496.20 : x
  2. Step 2: Convert to fraction form
    292,277.40/403,299.52 = 177,496.20/x
  3. Step 3: Cross multiply
    292,277.40x = 403,299.52 × 177,496.20
  4. Step 4: Simplify right side
    292,277.40x = 71,584,132,261.82
  5. Step 5: Solve for x
    x = 71,584,132,261.82/292,277.40
  6. Step 6: Final answer
    x = 244,918.47

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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.