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Finding the Fourth Proportional to 417,338.09, 575,927.58 and 226,351.50

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Solution

The fourth proportional to 417,338.09, 575,927.58 and 226,351.50 is: 312,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,338.09 : 575,927.58 = 226,351.50 : x
  2. Step 2: Convert to fraction form
    417,338.09/575,927.58 = 226,351.50/x
  3. Step 3: Cross multiply
    417,338.09x = 575,927.58 × 226,351.50
  4. Step 4: Simplify right side
    417,338.09x = 130,362,071,624.37
  5. Step 5: Solve for x
    x = 130,362,071,624.37/417,338.09
  6. Step 6: Final answer
    x = 312,365.62

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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.