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Finding the Fourth Proportional to 243,032.40, 364,548.60 and 223,786.80

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Solution

The fourth proportional to 243,032.40, 364,548.60 and 223,786.80 is: 335,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,032.40 : 364,548.60 = 223,786.80 : x
  2. Step 2: Convert to fraction form
    243,032.40/364,548.60 = 223,786.80/x
  3. Step 3: Cross multiply
    243,032.40x = 364,548.60 × 223,786.80
  4. Step 4: Simplify right side
    243,032.40x = 81,581,164,638.48
  5. Step 5: Solve for x
    x = 81,581,164,638.48/243,032.40
  6. Step 6: Final answer
    x = 335,680.20

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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.