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Finding the Fourth Proportional to 587,006.19, 810,081.61 and 328,902.32

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Solution

The fourth proportional to 587,006.19, 810,081.61 and 328,902.32 is: 453,892.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,006.19 : 810,081.61 = 328,902.32 : x
  2. Step 2: Convert to fraction form
    587,006.19/810,081.61 = 328,902.32/x
  3. Step 3: Cross multiply
    587,006.19x = 810,081.61 × 328,902.32
  4. Step 4: Simplify right side
    587,006.19x = 266,437,722,121.28
  5. Step 5: Solve for x
    x = 266,437,722,121.28/587,006.19
  6. Step 6: Final answer
    x = 453,892.53

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1.5x scale

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.