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Finding the Fourth Proportional to 586,886.07, 809,911.19 and 341,864.54

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Solution

The fourth proportional to 586,886.07, 809,911.19 and 341,864.54 is: 471,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,886.07 : 809,911.19 = 341,864.54 : x
  2. Step 2: Convert to fraction form
    586,886.07/809,911.19 = 341,864.54/x
  3. Step 3: Cross multiply
    586,886.07x = 809,911.19 × 341,864.54
  4. Step 4: Simplify right side
    586,886.07x = 276,879,910,651.32
  5. Step 5: Solve for x
    x = 276,879,910,651.32/586,886.07
  6. Step 6: Final answer
    x = 471,777.96

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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.