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Finding the Fourth Proportional to 335,628.65, 503,286.88 and 122,248.01

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Solution

The fourth proportional to 335,628.65, 503,286.88 and 122,248.01 is: 183,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,628.65 : 503,286.88 = 122,248.01 : x
  2. Step 2: Convert to fraction form
    335,628.65/503,286.88 = 122,248.01/x
  3. Step 3: Cross multiply
    335,628.65x = 503,286.88 × 122,248.01
  4. Step 4: Simplify right side
    335,628.65x = 61,525,819,539.11
  5. Step 5: Solve for x
    x = 61,525,819,539.11/335,628.65
  6. Step 6: Final answer
    x = 183,315.16

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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.