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Finding the Fourth Proportional to 593,591.74, 819,177.51 and 338,938.30

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Solution

The fourth proportional to 593,591.74, 819,177.51 and 338,938.30 is: 467,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,591.74 : 819,177.51 = 338,938.30 : x
  2. Step 2: Convert to fraction form
    593,591.74/819,177.51 = 338,938.30/x
  3. Step 3: Cross multiply
    593,591.74x = 819,177.51 × 338,938.30
  4. Step 4: Simplify right side
    593,591.74x = 277,650,632,637.63
  5. Step 5: Solve for x
    x = 277,650,632,637.63/593,591.74
  6. Step 6: Final answer
    x = 467,746.79

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Half scale
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Double scale
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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.