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Finding the Fourth Proportional to 228,563.42, 341,455.14 and 147,944.57

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Solution

The fourth proportional to 228,563.42, 341,455.14 and 147,944.57 is: 221,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,563.42 : 341,455.14 = 147,944.57 : x
  2. Step 2: Convert to fraction form
    228,563.42/341,455.14 = 147,944.57/x
  3. Step 3: Cross multiply
    228,563.42x = 341,455.14 × 147,944.57
  4. Step 4: Simplify right side
    228,563.42x = 50,516,432,154.31
  5. Step 5: Solve for x
    x = 50,516,432,154.31/228,563.42
  6. Step 6: Final answer
    x = 221,017.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.