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Finding the Fourth Proportional to 337,290.65, 505,880.55 and 121,104.63

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Solution

The fourth proportional to 337,290.65, 505,880.55 and 121,104.63 is: 181,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,290.65 : 505,880.55 = 121,104.63 : x
  2. Step 2: Convert to fraction form
    337,290.65/505,880.55 = 121,104.63/x
  3. Step 3: Cross multiply
    337,290.65x = 505,880.55 × 121,104.63
  4. Step 4: Simplify right side
    337,290.65x = 61,264,476,831.95
  5. Step 5: Solve for x
    x = 61,264,476,831.95/337,290.65
  6. Step 6: Final answer
    x = 181,637.05

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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.