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Finding the Fourth Proportional to 534,853.11, 800,471.31 and 520,460.01

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Solution

The fourth proportional to 534,853.11, 800,471.31 and 520,460.01 is: 778,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,853.11 : 800,471.31 = 520,460.01 : x
  2. Step 2: Convert to fraction form
    534,853.11/800,471.31 = 520,460.01/x
  3. Step 3: Cross multiply
    534,853.11x = 800,471.31 × 520,460.01
  4. Step 4: Simplify right side
    534,853.11x = 416,613,306,007.31
  5. Step 5: Solve for x
    x = 416,613,306,007.31/534,853.11
  6. Step 6: Final answer
    x = 778,930.32

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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.