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Finding the Fourth Proportional to 579,172.19, 868,874.00 and 200,106.77

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Solution

The fourth proportional to 579,172.19, 868,874.00 and 200,106.77 is: 300,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,172.19 : 868,874.00 = 200,106.77 : x
  2. Step 2: Convert to fraction form
    579,172.19/868,874.00 = 200,106.77/x
  3. Step 3: Cross multiply
    579,172.19x = 868,874.00 × 200,106.77
  4. Step 4: Simplify right side
    579,172.19x = 173,867,564,332.08
  5. Step 5: Solve for x
    x = 173,867,564,332.08/579,172.19
  6. Step 6: Final answer
    x = 300,200.13

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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.