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Finding the Fourth Proportional to 479,262.87, 661,384.98 and 264,402.87

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Solution

The fourth proportional to 479,262.87, 661,384.98 and 264,402.87 is: 364,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,262.87 : 661,384.98 = 264,402.87 : x
  2. Step 2: Convert to fraction form
    479,262.87/661,384.98 = 264,402.87/x
  3. Step 3: Cross multiply
    479,262.87x = 661,384.98 × 264,402.87
  4. Step 4: Simplify right side
    479,262.87x = 174,872,086,886.89
  5. Step 5: Solve for x
    x = 174,872,086,886.89/479,262.87
  6. Step 6: Final answer
    x = 364,877.19

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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.