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Finding the Fourth Proportional to 557,422.51, 836,076.81 and 152,650.71

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Solution

The fourth proportional to 557,422.51, 836,076.81 and 152,650.71 is: 228,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,422.51 : 836,076.81 = 152,650.71 : x
  2. Step 2: Convert to fraction form
    557,422.51/836,076.81 = 152,650.71/x
  3. Step 3: Cross multiply
    557,422.51x = 836,076.81 × 152,650.71
  4. Step 4: Simplify right side
    557,422.51x = 127,627,717,897.78
  5. Step 5: Solve for x
    x = 127,627,717,897.78/557,422.51
  6. Step 6: Final answer
    x = 228,960.47

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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.