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Finding the Fourth Proportional to 447,607.50, 617,698.35 and 246,403.50

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Solution

The fourth proportional to 447,607.50, 617,698.35 and 246,403.50 is: 340,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,607.50 : 617,698.35 = 246,403.50 : x
  2. Step 2: Convert to fraction form
    447,607.50/617,698.35 = 246,403.50/x
  3. Step 3: Cross multiply
    447,607.50x = 617,698.35 × 246,403.50
  4. Step 4: Simplify right side
    447,607.50x = 152,203,035,384.23
  5. Step 5: Solve for x
    x = 152,203,035,384.23/447,607.50
  6. Step 6: Final answer
    x = 340,036.83

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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.