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Finding the Fourth Proportional to 387,794.51, 581,687.41 and 151,303.26

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Solution

The fourth proportional to 387,794.51, 581,687.41 and 151,303.26 is: 226,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,794.51 : 581,687.41 = 151,303.26 : x
  2. Step 2: Convert to fraction form
    387,794.51/581,687.41 = 151,303.26/x
  3. Step 3: Cross multiply
    387,794.51x = 581,687.41 × 151,303.26
  4. Step 4: Simplify right side
    387,794.51x = 88,011,201,433.96
  5. Step 5: Solve for x
    x = 88,011,201,433.96/387,794.51
  6. Step 6: Final answer
    x = 226,953.19

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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.