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Finding the Fourth Proportional to 574,159.92, 791,519.44 and 403,865.52

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Solution

The fourth proportional to 574,159.92, 791,519.44 and 403,865.52 is: 556,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,159.92 : 791,519.44 = 403,865.52 : x
  2. Step 2: Convert to fraction form
    574,159.92/791,519.44 = 403,865.52/x
  3. Step 3: Cross multiply
    574,159.92x = 791,519.44 × 403,865.52
  4. Step 4: Simplify right side
    574,159.92x = 319,667,410,225.71
  5. Step 5: Solve for x
    x = 319,667,410,225.71/574,159.92
  6. Step 6: Final answer
    x = 556,756.75

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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.