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Finding the Fourth Proportional to 947,007, 1,306,908.66 and 544,599

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Solution

The fourth proportional to 947,007, 1,306,908.66 and 544,599 is: 751,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,007 : 1,306,908.66 = 544,599 : x
  2. Step 2: Convert to fraction form
    947,007/1,306,908.66 = 544,599/x
  3. Step 3: Cross multiply
    947,007x = 1,306,908.66 × 544,599
  4. Step 4: Simplify right side
    947,007x = 711,741,149,327.34
  5. Step 5: Solve for x
    x = 711,741,149,327.34/947,007
  6. Step 6: Final answer
    x = 751,569.05

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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.