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Finding the Fourth Proportional to 518,418, 777,627.01 and 124,434

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Solution

The fourth proportional to 518,418, 777,627.01 and 124,434 is: 186,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,418 : 777,627.01 = 124,434 : x
  2. Step 2: Convert to fraction form
    518,418/777,627.01 = 124,434/x
  3. Step 3: Cross multiply
    518,418x = 777,627.01 × 124,434
  4. Step 4: Simplify right side
    518,418x = 96,763,239,362.34
  5. Step 5: Solve for x
    x = 96,763,239,362.34/518,418
  6. Step 6: Final answer
    x = 186,651.00

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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.