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Finding the Fourth Proportional to 880,003.87, 1,214,405.84 and 477,595.87

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Solution

The fourth proportional to 880,003.87, 1,214,405.84 and 477,595.87 is: 659,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,003.87 : 1,214,405.84 = 477,595.87 : x
  2. Step 2: Convert to fraction form
    880,003.87/1,214,405.84 = 477,595.87/x
  3. Step 3: Cross multiply
    880,003.87x = 1,214,405.84 × 477,595.87
  4. Step 4: Simplify right side
    880,003.87x = 579,995,211,845.86
  5. Step 5: Solve for x
    x = 579,995,211,845.86/880,003.87
  6. Step 6: Final answer
    x = 659,082.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.