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Finding the Fourth Proportional to 230,155.86, 317,529.14 and 229,801.05

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Solution

The fourth proportional to 230,155.86, 317,529.14 and 229,801.05 is: 317,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,155.86 : 317,529.14 = 229,801.05 : x
  2. Step 2: Convert to fraction form
    230,155.86/317,529.14 = 229,801.05/x
  3. Step 3: Cross multiply
    230,155.86x = 317,529.14 × 229,801.05
  4. Step 4: Simplify right side
    230,155.86x = 72,968,529,777.60
  5. Step 5: Solve for x
    x = 72,968,529,777.60/230,155.86
  6. Step 6: Final answer
    x = 317,039.63

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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.