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Finding the Fourth Proportional to 324,252.80, 486,962.40 and 235,606.40

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Solution

The fourth proportional to 324,252.80, 486,962.40 and 235,606.40 is: 353,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,252.80 : 486,962.40 = 235,606.40 : x
  2. Step 2: Convert to fraction form
    324,252.80/486,962.40 = 235,606.40/x
  3. Step 3: Cross multiply
    324,252.80x = 486,962.40 × 235,606.40
  4. Step 4: Simplify right side
    324,252.80x = 114,731,457,999.36
  5. Step 5: Solve for x
    x = 114,731,457,999.36/324,252.80
  6. Step 6: Final answer
    x = 353,833.36

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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.