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Finding the Fourth Proportional to 626,587.56, 864,667.68 and 340,101.60

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Solution

The fourth proportional to 626,587.56, 864,667.68 and 340,101.60 is: 469,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,587.56 : 864,667.68 = 340,101.60 : x
  2. Step 2: Convert to fraction form
    626,587.56/864,667.68 = 340,101.60/x
  3. Step 3: Cross multiply
    626,587.56x = 864,667.68 × 340,101.60
  4. Step 4: Simplify right side
    626,587.56x = 294,074,861,436.29
  5. Step 5: Solve for x
    x = 294,074,861,436.29/626,587.56
  6. Step 6: Final answer
    x = 469,327.64

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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.