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Finding the Fourth Proportional to 598,851.70, 898,277.55 and 386,275.30

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Solution

The fourth proportional to 598,851.70, 898,277.55 and 386,275.30 is: 579,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,851.70 : 898,277.55 = 386,275.30 : x
  2. Step 2: Convert to fraction form
    598,851.70/898,277.55 = 386,275.30/x
  3. Step 3: Cross multiply
    598,851.70x = 898,277.55 × 386,275.30
  4. Step 4: Simplify right side
    598,851.70x = 346,982,430,109.52
  5. Step 5: Solve for x
    x = 346,982,430,109.52/598,851.70
  6. Step 6: Final answer
    x = 579,412.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.