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Finding the Fourth Proportional to 858,499.32, 1,184,743 and 471,350.48

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Solution

The fourth proportional to 858,499.32, 1,184,743 and 471,350.48 is: 650,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,499.32 : 1,184,743 = 471,350.48 : x
  2. Step 2: Convert to fraction form
    858,499.32/1,184,743 = 471,350.48/x
  3. Step 3: Cross multiply
    858,499.32x = 1,184,743 × 471,350.48
  4. Step 4: Simplify right side
    858,499.32x = 558,429,181,726.64
  5. Step 5: Solve for x
    x = 558,429,181,726.64/858,499.32
  6. Step 6: Final answer
    x = 650,471.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.