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Finding the Fourth Proportional to 586,247.42, 879,434.85 and 186,794.30

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Solution

The fourth proportional to 586,247.42, 879,434.85 and 186,794.30 is: 280,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,247.42 : 879,434.85 = 186,794.30 : x
  2. Step 2: Convert to fraction form
    586,247.42/879,434.85 = 186,794.30/x
  3. Step 3: Cross multiply
    586,247.42x = 879,434.85 × 186,794.30
  4. Step 4: Simplify right side
    586,247.42x = 164,273,420,100.42
  5. Step 5: Solve for x
    x = 164,273,420,100.42/586,247.42
  6. Step 6: Final answer
    x = 280,211.76

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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.