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Finding the Fourth Proportional to 535,340.39, 738,790.41 and 293,633.15

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Solution

The fourth proportional to 535,340.39, 738,790.41 and 293,633.15 is: 405,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,340.39 : 738,790.41 = 293,633.15 : x
  2. Step 2: Convert to fraction form
    535,340.39/738,790.41 = 293,633.15/x
  3. Step 3: Cross multiply
    535,340.39x = 738,790.41 × 293,633.15
  4. Step 4: Simplify right side
    535,340.39x = 216,933,355,278.09
  5. Step 5: Solve for x
    x = 216,933,355,278.09/535,340.39
  6. Step 6: Final answer
    x = 405,225.09

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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.