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Finding the Fourth Proportional to 626,560.98, 864,654.92 and 340,081.03

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Solution

The fourth proportional to 626,560.98, 864,654.92 and 340,081.03 is: 469,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,560.98 : 864,654.92 = 340,081.03 : x
  2. Step 2: Convert to fraction form
    626,560.98/864,654.92 = 340,081.03/x
  3. Step 3: Cross multiply
    626,560.98x = 864,654.92 × 340,081.03
  4. Step 4: Simplify right side
    626,560.98x = 294,052,735,788.17
  5. Step 5: Solve for x
    x = 294,052,735,788.17/626,560.98
  6. Step 6: Final answer
    x = 469,312.24

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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.