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Finding the Fourth Proportional to 508,327.77, 761,995.89 and 242,016.78

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Solution

The fourth proportional to 508,327.77, 761,995.89 and 242,016.78 is: 362,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,327.77 : 761,995.89 = 242,016.78 : x
  2. Step 2: Convert to fraction form
    508,327.77/761,995.89 = 242,016.78/x
  3. Step 3: Cross multiply
    508,327.77x = 761,995.89 × 242,016.78
  4. Step 4: Simplify right side
    508,327.77x = 184,415,791,671.03
  5. Step 5: Solve for x
    x = 184,415,791,671.03/508,327.77
  6. Step 6: Final answer
    x = 362,789.13

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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.