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Finding the Fourth Proportional to 365,521.77, 547,862.81 and 228,806.28

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Solution

The fourth proportional to 365,521.77, 547,862.81 and 228,806.28 is: 342,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,521.77 : 547,862.81 = 228,806.28 : x
  2. Step 2: Convert to fraction form
    365,521.77/547,862.81 = 228,806.28/x
  3. Step 3: Cross multiply
    365,521.77x = 547,862.81 × 228,806.28
  4. Step 4: Simplify right side
    365,521.77x = 125,354,450,362.42
  5. Step 5: Solve for x
    x = 125,354,450,362.42/365,521.77
  6. Step 6: Final answer
    x = 342,946.61

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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.