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Finding the Fourth Proportional to 433,516.80, 650,275.20 and 223,564.80

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Solution

The fourth proportional to 433,516.80, 650,275.20 and 223,564.80 is: 335,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,516.80 : 650,275.20 = 223,564.80 : x
  2. Step 2: Convert to fraction form
    433,516.80/650,275.20 = 223,564.80/x
  3. Step 3: Cross multiply
    433,516.80x = 650,275.20 × 223,564.80
  4. Step 4: Simplify right side
    433,516.80x = 145,378,645,032.96
  5. Step 5: Solve for x
    x = 145,378,645,032.96/433,516.80
  6. Step 6: Final answer
    x = 335,347.20

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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.