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Finding the Fourth Proportional to 626,567.83, 864,664.48 and 340,087.98

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Solution

The fourth proportional to 626,567.83, 864,664.48 and 340,087.98 is: 469,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,567.83 : 864,664.48 = 340,087.98 : x
  2. Step 2: Convert to fraction form
    626,567.83/864,664.48 = 340,087.98/x
  3. Step 3: Cross multiply
    626,567.83x = 864,664.48 × 340,087.98
  4. Step 4: Simplify right side
    626,567.83x = 294,061,996,380.95
  5. Step 5: Solve for x
    x = 294,061,996,380.95/626,567.83
  6. Step 6: Final answer
    x = 469,321.89

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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.