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Finding the Fourth Proportional to 579,083.80, 868,625.70 and 537,093.40

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Solution

The fourth proportional to 579,083.80, 868,625.70 and 537,093.40 is: 805,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,083.80 : 868,625.70 = 537,093.40 : x
  2. Step 2: Convert to fraction form
    579,083.80/868,625.70 = 537,093.40/x
  3. Step 3: Cross multiply
    579,083.80x = 868,625.70 × 537,093.40
  4. Step 4: Simplify right side
    579,083.80x = 466,533,130,540.38
  5. Step 5: Solve for x
    x = 466,533,130,540.38/579,083.80
  6. Step 6: Final answer
    x = 805,640.10

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Similar ratio
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1.5x scale

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.