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Finding the Fourth Proportional to 369,965.60, 555,207.60 and 237,168.80

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Solution

The fourth proportional to 369,965.60, 555,207.60 and 237,168.80 is: 355,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,965.60 : 555,207.60 = 237,168.80 : x
  2. Step 2: Convert to fraction form
    369,965.60/555,207.60 = 237,168.80/x
  3. Step 3: Cross multiply
    369,965.60x = 555,207.60 × 237,168.80
  4. Step 4: Simplify right side
    369,965.60x = 131,677,920,242.88
  5. Step 5: Solve for x
    x = 131,677,920,242.88/369,965.60
  6. Step 6: Final answer
    x = 355,919.36

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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.