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Finding the Fourth Proportional to 314,350.69, 471,559.78 and 134,454.80

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Solution

The fourth proportional to 314,350.69, 471,559.78 and 134,454.80 is: 201,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,350.69 : 471,559.78 = 134,454.80 : x
  2. Step 2: Convert to fraction form
    314,350.69/471,559.78 = 134,454.80/x
  3. Step 3: Cross multiply
    314,350.69x = 471,559.78 × 134,454.80
  4. Step 4: Simplify right side
    314,350.69x = 63,403,475,907.94
  5. Step 5: Solve for x
    x = 63,403,475,907.94/314,350.69
  6. Step 6: Final answer
    x = 201,696.63

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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.