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Finding the Fourth Proportional to 395,195.53, 592,792.41 and 305,368.87

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Solution

The fourth proportional to 395,195.53, 592,792.41 and 305,368.87 is: 458,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,195.53 : 592,792.41 = 305,368.87 : x
  2. Step 2: Convert to fraction form
    395,195.53/592,792.41 = 305,368.87/x
  3. Step 3: Cross multiply
    395,195.53x = 592,792.41 × 305,368.87
  4. Step 4: Simplify right side
    395,195.53x = 181,020,345,422.32
  5. Step 5: Solve for x
    x = 181,020,345,422.32/395,195.53
  6. Step 6: Final answer
    x = 458,052.62

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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.