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Finding the Fourth Proportional to 401,363.82, 602,045.73 and 101,845.98

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Solution

The fourth proportional to 401,363.82, 602,045.73 and 101,845.98 is: 152,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,363.82 : 602,045.73 = 101,845.98 : x
  2. Step 2: Convert to fraction form
    401,363.82/602,045.73 = 101,845.98/x
  3. Step 3: Cross multiply
    401,363.82x = 602,045.73 × 101,845.98
  4. Step 4: Simplify right side
    401,363.82x = 61,315,937,376.67
  5. Step 5: Solve for x
    x = 61,315,937,376.67/401,363.82
  6. Step 6: Final answer
    x = 152,768.97

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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.