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Finding the Fourth Proportional to 251,416.60, 377,124.90 and 195,429.40

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Solution

The fourth proportional to 251,416.60, 377,124.90 and 195,429.40 is: 293,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,416.60 : 377,124.90 = 195,429.40 : x
  2. Step 2: Convert to fraction form
    251,416.60/377,124.90 = 195,429.40/x
  3. Step 3: Cross multiply
    251,416.60x = 377,124.90 × 195,429.40
  4. Step 4: Simplify right side
    251,416.60x = 73,701,292,932.06
  5. Step 5: Solve for x
    x = 73,701,292,932.06/251,416.60
  6. Step 6: Final answer
    x = 293,144.10

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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.