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Finding the Fourth Proportional to 504,487.08, 756,708.75 and 125,399.79

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Solution

The fourth proportional to 504,487.08, 756,708.75 and 125,399.79 is: 188,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,487.08 : 756,708.75 = 125,399.79 : x
  2. Step 2: Convert to fraction form
    504,487.08/756,708.75 = 125,399.79/x
  3. Step 3: Cross multiply
    504,487.08x = 756,708.75 × 125,399.79
  4. Step 4: Simplify right side
    504,487.08x = 94,891,118,341.16
  5. Step 5: Solve for x
    x = 94,891,118,341.16/504,487.08
  6. Step 6: Final answer
    x = 188,094.25

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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.