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Finding the Fourth Proportional to 251,048.72, 346,302.60 and 150,388.40

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Solution

The fourth proportional to 251,048.72, 346,302.60 and 150,388.40 is: 207,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,048.72 : 346,302.60 = 150,388.40 : x
  2. Step 2: Convert to fraction form
    251,048.72/346,302.60 = 150,388.40/x
  3. Step 3: Cross multiply
    251,048.72x = 346,302.60 × 150,388.40
  4. Step 4: Simplify right side
    251,048.72x = 52,079,893,929.84
  5. Step 5: Solve for x
    x = 52,079,893,929.84/251,048.72
  6. Step 6: Final answer
    x = 207,449.35

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1.5x scale

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.