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Finding the Fourth Proportional to 336,901.15, 505,424.39 and 97,013.44

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Solution

The fourth proportional to 336,901.15, 505,424.39 and 97,013.44 is: 145,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,901.15 : 505,424.39 = 97,013.44 : x
  2. Step 2: Convert to fraction form
    336,901.15/505,424.39 = 97,013.44/x
  3. Step 3: Cross multiply
    336,901.15x = 505,424.39 × 97,013.44
  4. Step 4: Simplify right side
    336,901.15x = 49,032,955,721.61
  5. Step 5: Solve for x
    x = 49,032,955,721.61/336,901.15
  6. Step 6: Final answer
    x = 145,541.08

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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.