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Finding the Fourth Proportional to 790,644, 1,184,724.08 and 611,169.20

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Solution

The fourth proportional to 790,644, 1,184,724.08 and 611,169.20 is: 915,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,644 : 1,184,724.08 = 611,169.20 : x
  2. Step 2: Convert to fraction form
    790,644/1,184,724.08 = 611,169.20/x
  3. Step 3: Cross multiply
    790,644x = 1,184,724.08 × 611,169.20
  4. Step 4: Simplify right side
    790,644x = 724,066,868,194.34
  5. Step 5: Solve for x
    x = 724,066,868,194.34/790,644
  6. Step 6: Final answer
    x = 915,793.79

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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.