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Finding the Fourth Proportional to 593,515.71, 819,335.52 and 338,817.69

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Solution

The fourth proportional to 593,515.71, 819,335.52 and 338,817.69 is: 467,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,515.71 : 819,335.52 = 338,817.69 : x
  2. Step 2: Convert to fraction form
    593,515.71/819,335.52 = 338,817.69/x
  3. Step 3: Cross multiply
    593,515.71x = 819,335.52 × 338,817.69
  4. Step 4: Simplify right side
    593,515.71x = 277,605,368,221.35
  5. Step 5: Solve for x
    x = 277,605,368,221.35/593,515.71
  6. Step 6: Final answer
    x = 467,730.45

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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.