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Finding the Fourth Proportional to 593,572.80, 819,414.16 and 338,874.80

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Solution

The fourth proportional to 593,572.80, 819,414.16 and 338,874.80 is: 467,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,572.80 : 819,414.16 = 338,874.80 : x
  2. Step 2: Convert to fraction form
    593,572.80/819,414.16 = 338,874.80/x
  3. Step 3: Cross multiply
    593,572.80x = 819,414.16 × 338,874.80
  4. Step 4: Simplify right side
    593,572.80x = 277,678,809,587.17
  5. Step 5: Solve for x
    x = 277,678,809,587.17/593,572.80
  6. Step 6: Final answer
    x = 467,809.19

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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.