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Finding the Fourth Proportional to 535,343.80, 738,775.48 and 293,628.36

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Solution

The fourth proportional to 535,343.80, 738,775.48 and 293,628.36 is: 405,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,343.80 : 738,775.48 = 293,628.36 : x
  2. Step 2: Convert to fraction form
    535,343.80/738,775.48 = 293,628.36/x
  3. Step 3: Cross multiply
    535,343.80x = 738,775.48 × 293,628.36
  4. Step 4: Simplify right side
    535,343.80x = 216,925,432,600.61
  5. Step 5: Solve for x
    x = 216,925,432,600.61/535,343.80
  6. Step 6: Final answer
    x = 405,207.71

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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.