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Finding the Fourth Proportional to 571,923.24, 857,327 and 272,323.32

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Solution

The fourth proportional to 571,923.24, 857,327 and 272,323.32 is: 408,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,923.24 : 857,327 = 272,323.32 : x
  2. Step 2: Convert to fraction form
    571,923.24/857,327 = 272,323.32/x
  3. Step 3: Cross multiply
    571,923.24x = 857,327 × 272,323.32
  4. Step 4: Simplify right side
    571,923.24x = 233,470,134,965.64
  5. Step 5: Solve for x
    x = 233,470,134,965.64/571,923.24
  6. Step 6: Final answer
    x = 408,219.35

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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.