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Finding the Fourth Proportional to 484,099.66, 668,053.82 and 266,303.64

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Solution

The fourth proportional to 484,099.66, 668,053.82 and 266,303.64 is: 367,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,099.66 : 668,053.82 = 266,303.64 : x
  2. Step 2: Convert to fraction form
    484,099.66/668,053.82 = 266,303.64/x
  3. Step 3: Cross multiply
    484,099.66x = 668,053.82 × 266,303.64
  4. Step 4: Simplify right side
    484,099.66x = 177,905,163,981.91
  5. Step 5: Solve for x
    x = 177,905,163,981.91/484,099.66
  6. Step 6: Final answer
    x = 367,496.98

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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.