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Finding the Fourth Proportional to 514,237.92, 771,854.42 and 248,185.74

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Solution

The fourth proportional to 514,237.92, 771,854.42 and 248,185.74 is: 372,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,237.92 : 771,854.42 = 248,185.74 : x
  2. Step 2: Convert to fraction form
    514,237.92/771,854.42 = 248,185.74/x
  3. Step 3: Cross multiply
    514,237.92x = 771,854.42 × 248,185.74
  4. Step 4: Simplify right side
    514,237.92x = 191,563,259,159.04
  5. Step 5: Solve for x
    x = 191,563,259,159.04/514,237.92
  6. Step 6: Final answer
    x = 372,518.73

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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.