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Finding the Fourth Proportional to 317,212.48, 475,313.76 and 167,447.36

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Solution

The fourth proportional to 317,212.48, 475,313.76 and 167,447.36 is: 250,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,212.48 : 475,313.76 = 167,447.36 : x
  2. Step 2: Convert to fraction form
    317,212.48/475,313.76 = 167,447.36/x
  3. Step 3: Cross multiply
    317,212.48x = 475,313.76 × 167,447.36
  4. Step 4: Simplify right side
    317,212.48x = 79,590,034,283.67
  5. Step 5: Solve for x
    x = 79,590,034,283.67/317,212.48
  6. Step 6: Final answer
    x = 250,904.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.