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Finding the Fourth Proportional to 392,362.50, 541,624.79 and 265,210.32

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Solution

The fourth proportional to 392,362.50, 541,624.79 and 265,210.32 is: 366,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,362.50 : 541,624.79 = 265,210.32 : x
  2. Step 2: Convert to fraction form
    392,362.50/541,624.79 = 265,210.32/x
  3. Step 3: Cross multiply
    392,362.50x = 541,624.79 × 265,210.32
  4. Step 4: Simplify right side
    392,362.50x = 143,644,483,875.83
  5. Step 5: Solve for x
    x = 143,644,483,875.83/392,362.50
  6. Step 6: Final answer
    x = 366,101.46

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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.