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Finding the Fourth Proportional to 535,347.42, 738,800.69 and 293,638.83

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Solution

The fourth proportional to 535,347.42, 738,800.69 and 293,638.83 is: 405,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,347.42 : 738,800.69 = 293,638.83 : x
  2. Step 2: Convert to fraction form
    535,347.42/738,800.69 = 293,638.83/x
  3. Step 3: Cross multiply
    535,347.42x = 738,800.69 × 293,638.83
  4. Step 4: Simplify right side
    535,347.42x = 216,940,570,214.79
  5. Step 5: Solve for x
    x = 216,940,570,214.79/535,347.42
  6. Step 6: Final answer
    x = 405,233.24

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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.