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Finding the Fourth Proportional to 538,572.60, 807,858.90 and 526,908.60

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Solution

The fourth proportional to 538,572.60, 807,858.90 and 526,908.60 is: 790,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,572.60 : 807,858.90 = 526,908.60 : x
  2. Step 2: Convert to fraction form
    538,572.60/807,858.90 = 526,908.60/x
  3. Step 3: Cross multiply
    538,572.60x = 807,858.90 × 526,908.60
  4. Step 4: Simplify right side
    538,572.60x = 425,667,801,996.54
  5. Step 5: Solve for x
    x = 425,667,801,996.54/538,572.60
  6. Step 6: Final answer
    x = 790,362.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.