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Finding the Fourth Proportional to 450,200.76, 621,253.86 and 246,211.98

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Solution

The fourth proportional to 450,200.76, 621,253.86 and 246,211.98 is: 339,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,200.76 : 621,253.86 = 246,211.98 : x
  2. Step 2: Convert to fraction form
    450,200.76/621,253.86 = 246,211.98/x
  3. Step 3: Cross multiply
    450,200.76x = 621,253.86 × 246,211.98
  4. Step 4: Simplify right side
    450,200.76x = 152,960,142,953.24
  5. Step 5: Solve for x
    x = 152,960,142,953.24/450,200.76
  6. Step 6: Final answer
    x = 339,759.85

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1.5x scale

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.