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Finding the Fourth Proportional to 587,007.10, 810,055.50 and 328,894.84

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Solution

The fourth proportional to 587,007.10, 810,055.50 and 328,894.84 is: 453,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,007.10 : 810,055.50 = 328,894.84 : x
  2. Step 2: Convert to fraction form
    587,007.10/810,055.50 = 328,894.84/x
  3. Step 3: Cross multiply
    587,007.10x = 810,055.50 × 328,894.84
  4. Step 4: Simplify right side
    587,007.10x = 266,423,074,063.62
  5. Step 5: Solve for x
    x = 266,423,074,063.62/587,007.10
  6. Step 6: Final answer
    x = 453,866.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.