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Finding the Fourth Proportional to 229,588.80, 317,135.55 and 191,473.02

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Solution

The fourth proportional to 229,588.80, 317,135.55 and 191,473.02 is: 264,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,588.80 : 317,135.55 = 191,473.02 : x
  2. Step 2: Convert to fraction form
    229,588.80/317,135.55 = 191,473.02/x
  3. Step 3: Cross multiply
    229,588.80x = 317,135.55 × 191,473.02
  4. Step 4: Simplify right side
    229,588.80x = 60,722,901,507.86
  5. Step 5: Solve for x
    x = 60,722,901,507.86/229,588.80
  6. Step 6: Final answer
    x = 264,485.47

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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.