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Finding the Fourth Proportional to 514,237.55, 771,853.86 and 248,185.35

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Solution

The fourth proportional to 514,237.55, 771,853.86 and 248,185.35 is: 372,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,237.55 : 771,853.86 = 248,185.35 : x
  2. Step 2: Convert to fraction form
    514,237.55/771,853.86 = 248,185.35/x
  3. Step 3: Cross multiply
    514,237.55x = 771,853.86 × 248,185.35
  4. Step 4: Simplify right side
    514,237.55x = 191,562,820,392.95
  5. Step 5: Solve for x
    x = 191,562,820,392.95/514,237.55
  6. Step 6: Final answer
    x = 372,518.15

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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.