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Finding the Fourth Proportional to 626,545.58, 864,633.55 and 340,065.73

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Solution

The fourth proportional to 626,545.58, 864,633.55 and 340,065.73 is: 469,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,545.58 : 864,633.55 = 340,065.73 : x
  2. Step 2: Convert to fraction form
    626,545.58/864,633.55 = 340,065.73/x
  3. Step 3: Cross multiply
    626,545.58x = 864,633.55 × 340,065.73
  4. Step 4: Simplify right side
    626,545.58x = 294,032,236,351.49
  5. Step 5: Solve for x
    x = 294,032,236,351.49/626,545.58
  6. Step 6: Final answer
    x = 469,291.05

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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.