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Finding the Fourth Proportional to 314,711.93, 472,479.41 and 186,861.53

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Solution

The fourth proportional to 314,711.93, 472,479.41 and 186,861.53 is: 280,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,711.93 : 472,479.41 = 186,861.53 : x
  2. Step 2: Convert to fraction form
    314,711.93/472,479.41 = 186,861.53/x
  3. Step 3: Cross multiply
    314,711.93x = 472,479.41 × 186,861.53
  4. Step 4: Simplify right side
    314,711.93x = 88,288,227,094.45
  5. Step 5: Solve for x
    x = 88,288,227,094.45/314,711.93
  6. Step 6: Final answer
    x = 280,536.64

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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.