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Finding the Fourth Proportional to 335,966.94, 503,775.45 and 99,277.65

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Solution

The fourth proportional to 335,966.94, 503,775.45 and 99,277.65 is: 148,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,966.94 : 503,775.45 = 99,277.65 : x
  2. Step 2: Convert to fraction form
    335,966.94/503,775.45 = 99,277.65/x
  3. Step 3: Cross multiply
    335,966.94x = 503,775.45 × 99,277.65
  4. Step 4: Simplify right side
    335,966.94x = 50,013,642,803.69
  5. Step 5: Solve for x
    x = 50,013,642,803.69/335,966.94
  6. Step 6: Final answer
    x = 148,864.77

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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.