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Finding the Fourth Proportional to 422,959.40, 583,630.18 and 241,683.08

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Solution

The fourth proportional to 422,959.40, 583,630.18 and 241,683.08 is: 333,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,959.40 : 583,630.18 = 241,683.08 : x
  2. Step 2: Convert to fraction form
    422,959.40/583,630.18 = 241,683.08/x
  3. Step 3: Cross multiply
    422,959.40x = 583,630.18 × 241,683.08
  4. Step 4: Simplify right side
    422,959.40x = 141,053,539,483.35
  5. Step 5: Solve for x
    x = 141,053,539,483.35/422,959.40
  6. Step 6: Final answer
    x = 333,491.91

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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.