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Finding the Fourth Proportional to 535,096.15, 738,462.85 and 317,433.69

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Solution

The fourth proportional to 535,096.15, 738,462.85 and 317,433.69 is: 438,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,096.15 : 738,462.85 = 317,433.69 : x
  2. Step 2: Convert to fraction form
    535,096.15/738,462.85 = 317,433.69/x
  3. Step 3: Cross multiply
    535,096.15x = 738,462.85 × 317,433.69
  4. Step 4: Simplify right side
    535,096.15x = 234,412,987,403.42
  5. Step 5: Solve for x
    x = 234,412,987,403.42/535,096.15
  6. Step 6: Final answer
    x = 438,076.39

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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.