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Finding the Fourth Proportional to 626,538.95, 864,600.61 and 340,052.88

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Solution

The fourth proportional to 626,538.95, 864,600.61 and 340,052.88 is: 469,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,538.95 : 864,600.61 = 340,052.88 : x
  2. Step 2: Convert to fraction form
    626,538.95/864,600.61 = 340,052.88/x
  3. Step 3: Cross multiply
    626,538.95x = 864,600.61 × 340,052.88
  4. Step 4: Simplify right side
    626,538.95x = 294,009,925,779.99
  5. Step 5: Solve for x
    x = 294,009,925,779.99/626,538.95
  6. Step 6: Final answer
    x = 469,260.42

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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.