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Finding the Fourth Proportional to 536,999.12, 741,038.87 and 295,267.31

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Solution

The fourth proportional to 536,999.12, 741,038.87 and 295,267.31 is: 407,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,999.12 : 741,038.87 = 295,267.31 : x
  2. Step 2: Convert to fraction form
    536,999.12/741,038.87 = 295,267.31/x
  3. Step 3: Cross multiply
    536,999.12x = 741,038.87 × 295,267.31
  4. Step 4: Simplify right side
    536,999.12x = 218,804,552,274.00
  5. Step 5: Solve for x
    x = 218,804,552,274.00/536,999.12
  6. Step 6: Final answer
    x = 407,457.93

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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.