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Finding the Fourth Proportional to 282,203.60, 422,959.80 and 124,264.40

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Solution

The fourth proportional to 282,203.60, 422,959.80 and 124,264.40 is: 186,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,203.60 : 422,959.80 = 124,264.40 : x
  2. Step 2: Convert to fraction form
    282,203.60/422,959.80 = 124,264.40/x
  3. Step 3: Cross multiply
    282,203.60x = 422,959.80 × 124,264.40
  4. Step 4: Simplify right side
    282,203.60x = 52,558,845,771.12
  5. Step 5: Solve for x
    x = 52,558,845,771.12/282,203.60
  6. Step 6: Final answer
    x = 186,244.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.