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Finding the Fourth Proportional to 517,066.70, 775,624.35 and 162,092.30

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Solution

The fourth proportional to 517,066.70, 775,624.35 and 162,092.30 is: 243,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,066.70 : 775,624.35 = 162,092.30 : x
  2. Step 2: Convert to fraction form
    517,066.70/775,624.35 = 162,092.30/x
  3. Step 3: Cross multiply
    517,066.70x = 775,624.35 × 162,092.30
  4. Step 4: Simplify right side
    517,066.70x = 125,722,734,827.51
  5. Step 5: Solve for x
    x = 125,722,734,827.51/517,066.70
  6. Step 6: Final answer
    x = 243,146.07

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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.