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Finding the Fourth Proportional to 508,896.95, 762,182.78 and 242,844.30

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Solution

The fourth proportional to 508,896.95, 762,182.78 and 242,844.30 is: 363,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,896.95 : 762,182.78 = 242,844.30 : x
  2. Step 2: Convert to fraction form
    508,896.95/762,182.78 = 242,844.30/x
  3. Step 3: Cross multiply
    508,896.95x = 762,182.78 × 242,844.30
  4. Step 4: Simplify right side
    508,896.95x = 185,091,742,466.93
  5. Step 5: Solve for x
    x = 185,091,742,466.93/508,896.95
  6. Step 6: Final answer
    x = 363,711.64

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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.