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Finding the Fourth Proportional to 626,538.83, 864,600.44 and 340,052.76

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Solution

The fourth proportional to 626,538.83, 864,600.44 and 340,052.76 is: 469,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,538.83 : 864,600.44 = 340,052.76 : x
  2. Step 2: Convert to fraction form
    626,538.83/864,600.44 = 340,052.76/x
  3. Step 3: Cross multiply
    626,538.83x = 864,600.44 × 340,052.76
  4. Step 4: Simplify right side
    626,538.83x = 294,009,764,218.95
  5. Step 5: Solve for x
    x = 294,009,764,218.95/626,538.83
  6. Step 6: Final answer
    x = 469,260.25

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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.