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Finding the Fourth Proportional to 531,767.15, 733,840.96 and 290,054.91

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Solution

The fourth proportional to 531,767.15, 733,840.96 and 290,054.91 is: 400,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,767.15 : 733,840.96 = 290,054.91 : x
  2. Step 2: Convert to fraction form
    531,767.15/733,840.96 = 290,054.91/x
  3. Step 3: Cross multiply
    531,767.15x = 733,840.96 × 290,054.91
  4. Step 4: Simplify right side
    531,767.15x = 212,854,173,607.11
  5. Step 5: Solve for x
    x = 212,854,173,607.11/531,767.15
  6. Step 6: Final answer
    x = 400,277.03

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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.