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Finding the Fourth Proportional to 535,033.97, 738,330.89 and 293,308.28

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Solution

The fourth proportional to 535,033.97, 738,330.89 and 293,308.28 is: 404,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,033.97 : 738,330.89 = 293,308.28 : x
  2. Step 2: Convert to fraction form
    535,033.97/738,330.89 = 293,308.28/x
  3. Step 3: Cross multiply
    535,033.97x = 738,330.89 × 293,308.28
  4. Step 4: Simplify right side
    535,033.97x = 216,558,558,258.57
  5. Step 5: Solve for x
    x = 216,558,558,258.57/535,033.97
  6. Step 6: Final answer
    x = 404,756.66

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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.