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Finding the Fourth Proportional to 417,039.40, 575,515.60 and 226,053.54

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Solution

The fourth proportional to 417,039.40, 575,515.60 and 226,053.54 is: 311,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,039.40 : 575,515.60 = 226,053.54 : x
  2. Step 2: Convert to fraction form
    417,039.40/575,515.60 = 226,053.54/x
  3. Step 3: Cross multiply
    417,039.40x = 575,515.60 × 226,053.54
  4. Step 4: Simplify right side
    417,039.40x = 130,097,338,705.22
  5. Step 5: Solve for x
    x = 130,097,338,705.22/417,039.40
  6. Step 6: Final answer
    x = 311,954.55

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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.