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Finding the Fourth Proportional to 384,805.17, 577,332.32 and 185,099.58

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Solution

The fourth proportional to 384,805.17, 577,332.32 and 185,099.58 is: 277,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,805.17 : 577,332.32 = 185,099.58 : x
  2. Step 2: Convert to fraction form
    384,805.17/577,332.32 = 185,099.58/x
  3. Step 3: Cross multiply
    384,805.17x = 577,332.32 × 185,099.58
  4. Step 4: Simplify right side
    384,805.17x = 106,863,969,026.93
  5. Step 5: Solve for x
    x = 106,863,969,026.93/384,805.17
  6. Step 6: Final answer
    x = 277,709.29

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1.5x scale

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.