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Finding the Fourth Proportional to 336,411.77, 504,715.05 and 99,760.14

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Solution

The fourth proportional to 336,411.77, 504,715.05 and 99,760.14 is: 149,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,411.77 : 504,715.05 = 99,760.14 : x
  2. Step 2: Convert to fraction form
    336,411.77/504,715.05 = 99,760.14/x
  3. Step 3: Cross multiply
    336,411.77x = 504,715.05 × 99,760.14
  4. Step 4: Simplify right side
    336,411.77x = 50,350,444,048.11
  5. Step 5: Solve for x
    x = 50,350,444,048.11/336,411.77
  6. Step 6: Final answer
    x = 149,669.09

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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.