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Finding the Fourth Proportional to 417,085.79, 625,195.22 and 177,353.51

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Solution

The fourth proportional to 417,085.79, 625,195.22 and 177,353.51 is: 265,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,085.79 : 625,195.22 = 177,353.51 : x
  2. Step 2: Convert to fraction form
    417,085.79/625,195.22 = 177,353.51/x
  3. Step 3: Cross multiply
    417,085.79x = 625,195.22 × 177,353.51
  4. Step 4: Simplify right side
    417,085.79x = 110,880,562,689.48
  5. Step 5: Solve for x
    x = 110,880,562,689.48/417,085.79
  6. Step 6: Final answer
    x = 265,845.94

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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.