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Finding the Fourth Proportional to 341,802.94, 512,367.45 and 120,031.42

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Solution

The fourth proportional to 341,802.94, 512,367.45 and 120,031.42 is: 179,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,802.94 : 512,367.45 = 120,031.42 : x
  2. Step 2: Convert to fraction form
    341,802.94/512,367.45 = 120,031.42/x
  3. Step 3: Cross multiply
    341,802.94x = 512,367.45 × 120,031.42
  4. Step 4: Simplify right side
    341,802.94x = 61,500,192,585.28
  5. Step 5: Solve for x
    x = 61,500,192,585.28/341,802.94
  6. Step 6: Final answer
    x = 179,928.80

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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.