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Finding the Fourth Proportional to 580,331.64, 870,537.46 and 243,032.68

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Solution

The fourth proportional to 580,331.64, 870,537.46 and 243,032.68 is: 364,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,331.64 : 870,537.46 = 243,032.68 : x
  2. Step 2: Convert to fraction form
    580,331.64/870,537.46 = 243,032.68/x
  3. Step 3: Cross multiply
    580,331.64x = 870,537.46 × 243,032.68
  4. Step 4: Simplify right side
    580,331.64x = 211,569,051,944.19
  5. Step 5: Solve for x
    x = 211,569,051,944.19/580,331.64
  6. Step 6: Final answer
    x = 364,565.77

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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.