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Finding the Fourth Proportional to 447,798.76, 617,953.40 and 243,852.10

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Solution

The fourth proportional to 447,798.76, 617,953.40 and 243,852.10 is: 336,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,798.76 : 617,953.40 = 243,852.10 : x
  2. Step 2: Convert to fraction form
    447,798.76/617,953.40 = 243,852.10/x
  3. Step 3: Cross multiply
    447,798.76x = 617,953.40 × 243,852.10
  4. Step 4: Simplify right side
    447,798.76x = 150,689,234,292.14
  5. Step 5: Solve for x
    x = 150,689,234,292.14/447,798.76
  6. Step 6: Final answer
    x = 336,511.06

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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.