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Finding the Fourth Proportional to 313,032.42, 431,985.49 and 169,792.46

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Solution

The fourth proportional to 313,032.42, 431,985.49 and 169,792.46 is: 234,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,032.42 : 431,985.49 = 169,792.46 : x
  2. Step 2: Convert to fraction form
    313,032.42/431,985.49 = 169,792.46/x
  3. Step 3: Cross multiply
    313,032.42x = 431,985.49 × 169,792.46
  4. Step 4: Simplify right side
    313,032.42x = 73,347,878,066.94
  5. Step 5: Solve for x
    x = 73,347,878,066.94/313,032.42
  6. Step 6: Final answer
    x = 234,314.00

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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.