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Finding the Fourth Proportional to 519,432.78, 716,613.60 and 301,604.25

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Solution

The fourth proportional to 519,432.78, 716,613.60 and 301,604.25 is: 416,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,432.78 : 716,613.60 = 301,604.25 : x
  2. Step 2: Convert to fraction form
    519,432.78/716,613.60 = 301,604.25/x
  3. Step 3: Cross multiply
    519,432.78x = 716,613.60 × 301,604.25
  4. Step 4: Simplify right side
    519,432.78x = 216,133,707,367.80
  5. Step 5: Solve for x
    x = 216,133,707,367.80/519,432.78
  6. Step 6: Final answer
    x = 416,095.63

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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.