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Finding the Fourth Proportional to 888,846.15, 1,226,605.22 and 480,954.93

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Solution

The fourth proportional to 888,846.15, 1,226,605.22 and 480,954.93 is: 663,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,846.15 : 1,226,605.22 = 480,954.93 : x
  2. Step 2: Convert to fraction form
    888,846.15/1,226,605.22 = 480,954.93/x
  3. Step 3: Cross multiply
    888,846.15x = 1,226,605.22 × 480,954.93
  4. Step 4: Simplify right side
    888,846.15x = 589,941,822,521.77
  5. Step 5: Solve for x
    x = 589,941,822,521.77/888,846.15
  6. Step 6: Final answer
    x = 663,716.46

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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.