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Finding the Fourth Proportional to 337,345.32, 505,792.80 and 137,612.01

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Solution

The fourth proportional to 337,345.32, 505,792.80 and 137,612.01 is: 206,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,345.32 : 505,792.80 = 137,612.01 : x
  2. Step 2: Convert to fraction form
    337,345.32/505,792.80 = 137,612.01/x
  3. Step 3: Cross multiply
    337,345.32x = 505,792.80 × 137,612.01
  4. Step 4: Simplify right side
    337,345.32x = 69,603,163,851.53
  5. Step 5: Solve for x
    x = 69,603,163,851.53/337,345.32
  6. Step 6: Final answer
    x = 206,326.16

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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.