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Finding the Fourth Proportional to 403,737.66, 605,153.88 and 163,795.86

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Solution

The fourth proportional to 403,737.66, 605,153.88 and 163,795.86 is: 245,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,737.66 : 605,153.88 = 163,795.86 : x
  2. Step 2: Convert to fraction form
    403,737.66/605,153.88 = 163,795.86/x
  3. Step 3: Cross multiply
    403,737.66x = 605,153.88 × 163,795.86
  4. Step 4: Simplify right side
    403,737.66x = 99,121,700,206.94
  5. Step 5: Solve for x
    x = 99,121,700,206.94/403,737.66
  6. Step 6: Final answer
    x = 245,510.17

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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.