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Finding the Fourth Proportional to 606,646.14, 909,969.51 and 207,290.84

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Solution

The fourth proportional to 606,646.14, 909,969.51 and 207,290.84 is: 310,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,646.14 : 909,969.51 = 207,290.84 : x
  2. Step 2: Convert to fraction form
    606,646.14/909,969.51 = 207,290.84/x
  3. Step 3: Cross multiply
    606,646.14x = 909,969.51 × 207,290.84
  4. Step 4: Simplify right side
    606,646.14x = 188,628,339,552.44
  5. Step 5: Solve for x
    x = 188,628,339,552.44/606,646.14
  6. Step 6: Final answer
    x = 310,936.36

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1.5x scale

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.