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Finding the Fourth Proportional to 593,613.80, 819,470.78 and 338,915.80

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Solution

The fourth proportional to 593,613.80, 819,470.78 and 338,915.80 is: 467,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,613.80 : 819,470.78 = 338,915.80 : x
  2. Step 2: Convert to fraction form
    593,613.80/819,470.78 = 338,915.80/x
  3. Step 3: Cross multiply
    593,613.80x = 819,470.78 × 338,915.80
  4. Step 4: Simplify right side
    593,613.80x = 277,731,594,980.32
  5. Step 5: Solve for x
    x = 277,731,594,980.32/593,613.80
  6. Step 6: Final answer
    x = 467,865.80

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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.