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Finding the Fourth Proportional to 535,322.36, 738,765.56 and 293,615.12

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Solution

The fourth proportional to 535,322.36, 738,765.56 and 293,615.12 is: 405,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,322.36 : 738,765.56 = 293,615.12 : x
  2. Step 2: Convert to fraction form
    535,322.36/738,765.56 = 293,615.12/x
  3. Step 3: Cross multiply
    535,322.36x = 738,765.56 × 293,615.12
  4. Step 4: Simplify right side
    535,322.36x = 216,912,741,132.22
  5. Step 5: Solve for x
    x = 216,912,741,132.22/535,322.36
  6. Step 6: Final answer
    x = 405,200.22

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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.