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Finding the Fourth Proportional to 557,607.38, 836,427.47 and 136,883.25

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Solution

The fourth proportional to 557,607.38, 836,427.47 and 136,883.25 is: 205,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,607.38 : 836,427.47 = 136,883.25 : x
  2. Step 2: Convert to fraction form
    557,607.38/836,427.47 = 136,883.25/x
  3. Step 3: Cross multiply
    557,607.38x = 836,427.47 × 136,883.25
  4. Step 4: Simplify right side
    557,607.38x = 114,492,909,798.46
  5. Step 5: Solve for x
    x = 114,492,909,798.46/557,607.38
  6. Step 6: Final answer
    x = 205,328.90

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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.