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Finding the Fourth Proportional to 606,886.16, 910,329.44 and 207,530.64

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Solution

The fourth proportional to 606,886.16, 910,329.44 and 207,530.64 is: 311,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,886.16 : 910,329.44 = 207,530.64 : x
  2. Step 2: Convert to fraction form
    606,886.16/910,329.44 = 207,530.64/x
  3. Step 3: Cross multiply
    606,886.16x = 910,329.44 × 207,530.64
  4. Step 4: Simplify right side
    606,886.16x = 188,921,250,256.39
  5. Step 5: Solve for x
    x = 188,921,250,256.39/606,886.16
  6. Step 6: Final answer
    x = 311,296.03

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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.