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Finding the Fourth Proportional to 260,032.20, 389,465.10 and 260,032.20

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Solution

The fourth proportional to 260,032.20, 389,465.10 and 260,032.20 is: 389,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,032.20 : 389,465.10 = 260,032.20 : x
  2. Step 2: Convert to fraction form
    260,032.20/389,465.10 = 260,032.20/x
  3. Step 3: Cross multiply
    260,032.20x = 389,465.10 × 260,032.20
  4. Step 4: Simplify right side
    260,032.20x = 101,273,466,776.22
  5. Step 5: Solve for x
    x = 101,273,466,776.22/260,032.20
  6. Step 6: Final answer
    x = 389,465.10

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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.