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Finding the Fourth Proportional to 488,831.01, 674,656.31 and 271,088.11

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Solution

The fourth proportional to 488,831.01, 674,656.31 and 271,088.11 is: 374,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,831.01 : 674,656.31 = 271,088.11 : x
  2. Step 2: Convert to fraction form
    488,831.01/674,656.31 = 271,088.11/x
  3. Step 3: Cross multiply
    488,831.01x = 674,656.31 × 271,088.11
  4. Step 4: Simplify right side
    488,831.01x = 182,891,299,983.99
  5. Step 5: Solve for x
    x = 182,891,299,983.99/488,831.01
  6. Step 6: Final answer
    x = 374,140.14

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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.