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Finding the Fourth Proportional to 260,087.40, 363,655.80 and 260,087.40

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Solution

The fourth proportional to 260,087.40, 363,655.80 and 260,087.40 is: 363,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,087.40 : 363,655.80 = 260,087.40 : x
  2. Step 2: Convert to fraction form
    260,087.40/363,655.80 = 260,087.40/x
  3. Step 3: Cross multiply
    260,087.40x = 363,655.80 × 260,087.40
  4. Step 4: Simplify right side
    260,087.40x = 94,582,291,516.92
  5. Step 5: Solve for x
    x = 94,582,291,516.92/260,087.40
  6. Step 6: Final answer
    x = 363,655.80

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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.