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Finding the Fourth Proportional to 317,009.80, 437,484.73 and 173,769.80

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Solution

The fourth proportional to 317,009.80, 437,484.73 and 173,769.80 is: 239,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,009.80 : 437,484.73 = 173,769.80 : x
  2. Step 2: Convert to fraction form
    317,009.80/437,484.73 = 173,769.80/x
  3. Step 3: Cross multiply
    317,009.80x = 437,484.73 × 173,769.80
  4. Step 4: Simplify right side
    317,009.80x = 76,021,634,035.15
  5. Step 5: Solve for x
    x = 76,021,634,035.15/317,009.80
  6. Step 6: Final answer
    x = 239,808.47

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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.