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Finding the Fourth Proportional to 626,546.68, 864,632.24 and 340,066.76

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Solution

The fourth proportional to 626,546.68, 864,632.24 and 340,066.76 is: 469,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,546.68 : 864,632.24 = 340,066.76 : x
  2. Step 2: Convert to fraction form
    626,546.68/864,632.24 = 340,066.76/x
  3. Step 3: Cross multiply
    626,546.68x = 864,632.24 × 340,066.76
  4. Step 4: Simplify right side
    626,546.68x = 294,032,684,909.59
  5. Step 5: Solve for x
    x = 294,032,684,909.59/626,546.68
  6. Step 6: Final answer
    x = 469,290.95

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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.