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Finding the Fourth Proportional to 264,329.51, 364,773.81 and 143,470.79

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Solution

The fourth proportional to 264,329.51, 364,773.81 and 143,470.79 is: 197,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,329.51 : 364,773.81 = 143,470.79 : x
  2. Step 2: Convert to fraction form
    264,329.51/364,773.81 = 143,470.79/x
  3. Step 3: Cross multiply
    264,329.51x = 364,773.81 × 143,470.79
  4. Step 4: Simplify right side
    264,329.51x = 52,334,386,692.01
  5. Step 5: Solve for x
    x = 52,334,386,692.01/264,329.51
  6. Step 6: Final answer
    x = 197,989.19

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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.