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Finding the Fourth Proportional to 625,188.51, 936,655.25 and 384,884.19

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Solution

The fourth proportional to 625,188.51, 936,655.25 and 384,884.19 is: 576,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,188.51 : 936,655.25 = 384,884.19 : x
  2. Step 2: Convert to fraction form
    625,188.51/936,655.25 = 384,884.19/x
  3. Step 3: Cross multiply
    625,188.51x = 936,655.25 × 384,884.19
  4. Step 4: Simplify right side
    625,188.51x = 360,503,795,281.08
  5. Step 5: Solve for x
    x = 360,503,795,281.08/625,188.51
  6. Step 6: Final answer
    x = 576,632.15

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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.