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Finding the Fourth Proportional to 504,552.24, 696,298.68 and 289,730.52

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Solution

The fourth proportional to 504,552.24, 696,298.68 and 289,730.52 is: 399,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,552.24 : 696,298.68 = 289,730.52 : x
  2. Step 2: Convert to fraction form
    504,552.24/696,298.68 = 289,730.52/x
  3. Step 3: Cross multiply
    504,552.24x = 696,298.68 × 289,730.52
  4. Step 4: Simplify right side
    504,552.24x = 201,738,978,631.71
  5. Step 5: Solve for x
    x = 201,738,978,631.71/504,552.24
  6. Step 6: Final answer
    x = 399,837.64

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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.