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Finding the Fourth Proportional to 260,031.45, 364,535.55 and 260,031.45

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Solution

The fourth proportional to 260,031.45, 364,535.55 and 260,031.45 is: 364,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,031.45 : 364,535.55 = 260,031.45 : x
  2. Step 2: Convert to fraction form
    260,031.45/364,535.55 = 260,031.45/x
  3. Step 3: Cross multiply
    260,031.45x = 364,535.55 × 260,031.45
  4. Step 4: Simplify right side
    260,031.45x = 94,790,707,643.05
  5. Step 5: Solve for x
    x = 94,790,707,643.05/260,031.45
  6. Step 6: Final answer
    x = 364,535.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.