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Finding the Fourth Proportional to 535,344.63, 738,779.22 and 293,628.90

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Solution

The fourth proportional to 535,344.63, 738,779.22 and 293,628.90 is: 405,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,344.63 : 738,779.22 = 293,628.90 : x
  2. Step 2: Convert to fraction form
    535,344.63/738,779.22 = 293,628.90/x
  3. Step 3: Cross multiply
    535,344.63x = 738,779.22 × 293,628.90
  4. Step 4: Simplify right side
    535,344.63x = 216,926,929,711.46
  5. Step 5: Solve for x
    x = 216,926,929,711.46/535,344.63
  6. Step 6: Final answer
    x = 405,209.87

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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.