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Finding the Fourth Proportional to 544,420.50, 751,264.71 and 302,694.15

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Solution

The fourth proportional to 544,420.50, 751,264.71 and 302,694.15 is: 417,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,420.50 : 751,264.71 = 302,694.15 : x
  2. Step 2: Convert to fraction form
    544,420.50/751,264.71 = 302,694.15/x
  3. Step 3: Cross multiply
    544,420.50x = 751,264.71 × 302,694.15
  4. Step 4: Simplify right side
    544,420.50x = 227,403,432,818.45
  5. Step 5: Solve for x
    x = 227,403,432,818.45/544,420.50
  6. Step 6: Final answer
    x = 417,698.14

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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.