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Finding the Fourth Proportional to 317,365.02, 437,992.11 and 174,152.97

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Solution

The fourth proportional to 317,365.02, 437,992.11 and 174,152.97 is: 240,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,365.02 : 437,992.11 = 174,152.97 : x
  2. Step 2: Convert to fraction form
    317,365.02/437,992.11 = 174,152.97/x
  3. Step 3: Cross multiply
    317,365.02x = 437,992.11 × 174,152.97
  4. Step 4: Simplify right side
    317,365.02x = 76,277,626,793.07
  5. Step 5: Solve for x
    x = 76,277,626,793.07/317,365.02
  6. Step 6: Final answer
    x = 240,346.67

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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.