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Finding the Fourth Proportional to 236,447.40, 353,807.10 and 174,239.40

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Solution

The fourth proportional to 236,447.40, 353,807.10 and 174,239.40 is: 260,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,447.40 : 353,807.10 = 174,239.40 : x
  2. Step 2: Convert to fraction form
    236,447.40/353,807.10 = 174,239.40/x
  3. Step 3: Cross multiply
    236,447.40x = 353,807.10 × 174,239.40
  4. Step 4: Simplify right side
    236,447.40x = 61,647,136,819.74
  5. Step 5: Solve for x
    x = 61,647,136,819.74/236,447.40
  6. Step 6: Final answer
    x = 260,722.41

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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.