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Finding the Fourth Proportional to 343,525.80, 515,288.70 and 237,237.60

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Solution

The fourth proportional to 343,525.80, 515,288.70 and 237,237.60 is: 355,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,525.80 : 515,288.70 = 237,237.60 : x
  2. Step 2: Convert to fraction form
    343,525.80/515,288.70 = 237,237.60/x
  3. Step 3: Cross multiply
    343,525.80x = 515,288.70 × 237,237.60
  4. Step 4: Simplify right side
    343,525.80x = 122,245,854,495.12
  5. Step 5: Solve for x
    x = 122,245,854,495.12/343,525.80
  6. Step 6: Final answer
    x = 355,856.40

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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.