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Finding the Fourth Proportional to 416,717.19, 575,072.46 and 225,730.60

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Solution

The fourth proportional to 416,717.19, 575,072.46 and 225,730.60 is: 311,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,717.19 : 575,072.46 = 225,730.60 : x
  2. Step 2: Convert to fraction form
    416,717.19/575,072.46 = 225,730.60/x
  3. Step 3: Cross multiply
    416,717.19x = 575,072.46 × 225,730.60
  4. Step 4: Simplify right side
    416,717.19x = 129,811,450,001.60
  5. Step 5: Solve for x
    x = 129,811,450,001.60/416,717.19
  6. Step 6: Final answer
    x = 311,509.71

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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.