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Finding the Fourth Proportional to 417,012.16, 575,477.80 and 226,025.36

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Solution

The fourth proportional to 417,012.16, 575,477.80 and 226,025.36 is: 311,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,012.16 : 575,477.80 = 226,025.36 : x
  2. Step 2: Convert to fraction form
    417,012.16/575,477.80 = 226,025.36/x
  3. Step 3: Cross multiply
    417,012.16x = 575,477.80 × 226,025.36
  4. Step 4: Simplify right side
    417,012.16x = 130,072,576,917.01
  5. Step 5: Solve for x
    x = 130,072,576,917.01/417,012.16
  6. Step 6: Final answer
    x = 311,915.55

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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.