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Finding the Fourth Proportional to 260,036.20, 364,838 and 260,036.20

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Solution

The fourth proportional to 260,036.20, 364,838 and 260,036.20 is: 364,838

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,036.20 : 364,838 = 260,036.20 : x
  2. Step 2: Convert to fraction form
    260,036.20/364,838 = 260,036.20/x
  3. Step 3: Cross multiply
    260,036.20x = 364,838 × 260,036.20
  4. Step 4: Simplify right side
    260,036.20x = 94,871,087,135.60
  5. Step 5: Solve for x
    x = 94,871,087,135.60/260,036.20
  6. Step 6: Final answer
    x = 364,838

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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.