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Finding the Fourth Proportional to 375,844.38, 563,889.45 and 139,204.38

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Solution

The fourth proportional to 375,844.38, 563,889.45 and 139,204.38 is: 208,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,844.38 : 563,889.45 = 139,204.38 : x
  2. Step 2: Convert to fraction form
    375,844.38/563,889.45 = 139,204.38/x
  3. Step 3: Cross multiply
    375,844.38x = 563,889.45 × 139,204.38
  4. Step 4: Simplify right side
    375,844.38x = 78,495,881,275.79
  5. Step 5: Solve for x
    x = 78,495,881,275.79/375,844.38
  6. Step 6: Final answer
    x = 208,852.08

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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.