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Finding the Fourth Proportional to 508,901.28, 762,189.29 and 242,848.68

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Solution

The fourth proportional to 508,901.28, 762,189.29 and 242,848.68 is: 363,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,901.28 : 762,189.29 = 242,848.68 : x
  2. Step 2: Convert to fraction form
    508,901.28/762,189.29 = 242,848.68/x
  3. Step 3: Cross multiply
    508,901.28x = 762,189.29 × 242,848.68
  4. Step 4: Simplify right side
    508,901.28x = 185,096,662,986.64
  5. Step 5: Solve for x
    x = 185,096,662,986.64/508,901.28
  6. Step 6: Final answer
    x = 363,718.21

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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.