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Finding the Fourth Proportional to 876,950.73, 1,315,462.68 and 277,898.64

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Solution

The fourth proportional to 876,950.73, 1,315,462.68 and 277,898.64 is: 416,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,950.73 : 1,315,462.68 = 277,898.64 : x
  2. Step 2: Convert to fraction form
    876,950.73/1,315,462.68 = 277,898.64/x
  3. Step 3: Cross multiply
    876,950.73x = 1,315,462.68 × 277,898.64
  4. Step 4: Simplify right side
    876,950.73x = 365,565,289,742.76
  5. Step 5: Solve for x
    x = 365,565,289,742.76/876,950.73
  6. Step 6: Final answer
    x = 416,859.55

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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.