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Finding the Fourth Proportional to 593,612.80, 819,469.40 and 338,914.80

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Solution

The fourth proportional to 593,612.80, 819,469.40 and 338,914.80 is: 467,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,612.80 : 819,469.40 = 338,914.80 : x
  2. Step 2: Convert to fraction form
    593,612.80/819,469.40 = 338,914.80/x
  3. Step 3: Cross multiply
    593,612.80x = 819,469.40 × 338,914.80
  4. Step 4: Simplify right side
    593,612.80x = 277,730,307,807.12
  5. Step 5: Solve for x
    x = 277,730,307,807.12/593,612.80
  6. Step 6: Final answer
    x = 467,864.42

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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.