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Finding the Fourth Proportional to 626,550.99, 864,641.06 and 340,071.27

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Solution

The fourth proportional to 626,550.99, 864,641.06 and 340,071.27 is: 469,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,550.99 : 864,641.06 = 340,071.27 : x
  2. Step 2: Convert to fraction form
    626,550.99/864,641.06 = 340,071.27/x
  3. Step 3: Cross multiply
    626,550.99x = 864,641.06 × 340,071.27
  4. Step 4: Simplify right side
    626,550.99x = 294,039,581,667.99
  5. Step 5: Solve for x
    x = 294,039,581,667.99/626,550.99
  6. Step 6: Final answer
    x = 469,298.73

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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.