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Finding the Fourth Proportional to 416,953.02, 575,395.20 and 225,966.36

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Solution

The fourth proportional to 416,953.02, 575,395.20 and 225,966.36 is: 311,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,953.02 : 575,395.20 = 225,966.36 : x
  2. Step 2: Convert to fraction form
    416,953.02/575,395.20 = 225,966.36/x
  3. Step 3: Cross multiply
    416,953.02x = 575,395.20 × 225,966.36
  4. Step 4: Simplify right side
    416,953.02x = 130,019,958,905.47
  5. Step 5: Solve for x
    x = 130,019,958,905.47/416,953.02
  6. Step 6: Final answer
    x = 311,833.59

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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.