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Finding the Fourth Proportional to 316,267.66, 474,400.90 and 103,035.33

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Solution

The fourth proportional to 316,267.66, 474,400.90 and 103,035.33 is: 154,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,267.66 : 474,400.90 = 103,035.33 : x
  2. Step 2: Convert to fraction form
    316,267.66/474,400.90 = 103,035.33/x
  3. Step 3: Cross multiply
    316,267.66x = 474,400.90 × 103,035.33
  4. Step 4: Simplify right side
    316,267.66x = 48,880,053,283.80
  5. Step 5: Solve for x
    x = 48,880,053,283.80/316,267.66
  6. Step 6: Final answer
    x = 154,552.80

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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.