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Finding the Fourth Proportional to 631,066.47, 946,877.13 and 331,477.44

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Solution

The fourth proportional to 631,066.47, 946,877.13 and 331,477.44 is: 497,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,066.47 : 946,877.13 = 331,477.44 : x
  2. Step 2: Convert to fraction form
    631,066.47/946,877.13 = 331,477.44/x
  3. Step 3: Cross multiply
    631,066.47x = 946,877.13 × 331,477.44
  4. Step 4: Simplify right side
    631,066.47x = 313,868,407,046.95
  5. Step 5: Solve for x
    x = 313,868,407,046.95/631,066.47
  6. Step 6: Final answer
    x = 497,361.88

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1.5x scale

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.