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Finding the Fourth Proportional to 514,239.54, 771,856.86 and 248,187.36

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Solution

The fourth proportional to 514,239.54, 771,856.86 and 248,187.36 is: 372,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,239.54 : 771,856.86 = 248,187.36 : x
  2. Step 2: Convert to fraction form
    514,239.54/771,856.86 = 248,187.36/x
  3. Step 3: Cross multiply
    514,239.54x = 771,856.86 × 248,187.36
  4. Step 4: Simplify right side
    514,239.54x = 191,565,116,381.29
  5. Step 5: Solve for x
    x = 191,565,116,381.29/514,239.54
  6. Step 6: Final answer
    x = 372,521.17

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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.