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Finding the Fourth Proportional to 395,622.24, 590,555.52 and 366,384.48

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Solution

The fourth proportional to 395,622.24, 590,555.52 and 366,384.48 is: 546,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,622.24 : 590,555.52 = 366,384.48 : x
  2. Step 2: Convert to fraction form
    395,622.24/590,555.52 = 366,384.48/x
  3. Step 3: Cross multiply
    395,622.24x = 590,555.52 × 366,384.48
  4. Step 4: Simplify right side
    395,622.24x = 216,370,377,106.33
  5. Step 5: Solve for x
    x = 216,370,377,106.33/395,622.24
  6. Step 6: Final answer
    x = 546,911.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.