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Finding the Fourth Proportional to 323,807.46, 485,417.13 and 113,330.58

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Solution

The fourth proportional to 323,807.46, 485,417.13 and 113,330.58 is: 169,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,807.46 : 485,417.13 = 113,330.58 : x
  2. Step 2: Convert to fraction form
    323,807.46/485,417.13 = 113,330.58/x
  3. Step 3: Cross multiply
    323,807.46x = 485,417.13 × 113,330.58
  4. Step 4: Simplify right side
    323,807.46x = 55,012,604,884.84
  5. Step 5: Solve for x
    x = 55,012,604,884.84/323,807.46
  6. Step 6: Final answer
    x = 169,892.95

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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.