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Finding the Fourth Proportional to 527,130.56, 790,697.44 and 127,769.76

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Solution

The fourth proportional to 527,130.56, 790,697.44 and 127,769.76 is: 191,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,130.56 : 790,697.44 = 127,769.76 : x
  2. Step 2: Convert to fraction form
    527,130.56/790,697.44 = 127,769.76/x
  3. Step 3: Cross multiply
    527,130.56x = 790,697.44 × 127,769.76
  4. Step 4: Simplify right side
    527,130.56x = 101,027,222,141.41
  5. Step 5: Solve for x
    x = 101,027,222,141.41/527,130.56
  6. Step 6: Final answer
    x = 191,655.03

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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.