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Finding the Fourth Proportional to 504,748.04, 757,458.75 and 261,813.01

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Solution

The fourth proportional to 504,748.04, 757,458.75 and 261,813.01 is: 392,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,748.04 : 757,458.75 = 261,813.01 : x
  2. Step 2: Convert to fraction form
    504,748.04/757,458.75 = 261,813.01/x
  3. Step 3: Cross multiply
    504,748.04x = 757,458.75 × 261,813.01
  4. Step 4: Simplify right side
    504,748.04x = 198,312,553,394.69
  5. Step 5: Solve for x
    x = 198,312,553,394.69/504,748.04
  6. Step 6: Final answer
    x = 392,894.15

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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.