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Finding the Fourth Proportional to 504,939.88, 756,688.02 and 370,767.40

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Solution

The fourth proportional to 504,939.88, 756,688.02 and 370,767.40 is: 555,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,939.88 : 756,688.02 = 370,767.40 : x
  2. Step 2: Convert to fraction form
    504,939.88/756,688.02 = 370,767.40/x
  3. Step 3: Cross multiply
    504,939.88x = 756,688.02 × 370,767.40
  4. Step 4: Simplify right side
    504,939.88x = 280,555,249,786.55
  5. Step 5: Solve for x
    x = 280,555,249,786.55/504,939.88
  6. Step 6: Final answer
    x = 555,621.10

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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.