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Finding the Fourth Proportional to 536,459.73, 740,006.55 and 334,905.81

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Solution

The fourth proportional to 536,459.73, 740,006.55 and 334,905.81 is: 461,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,459.73 : 740,006.55 = 334,905.81 : x
  2. Step 2: Convert to fraction form
    536,459.73/740,006.55 = 334,905.81/x
  3. Step 3: Cross multiply
    536,459.73x = 740,006.55 × 334,905.81
  4. Step 4: Simplify right side
    536,459.73x = 247,832,493,033.06
  5. Step 5: Solve for x
    x = 247,832,493,033.06/536,459.73
  6. Step 6: Final answer
    x = 461,977.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.