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Finding the Fourth Proportional to 980,867.52, 1,353,554 and 573,007.12

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Solution

The fourth proportional to 980,867.52, 1,353,554 and 573,007.12 is: 790,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,867.52 : 1,353,554 = 573,007.12 : x
  2. Step 2: Convert to fraction form
    980,867.52/1,353,554 = 573,007.12/x
  3. Step 3: Cross multiply
    980,867.52x = 1,353,554 × 573,007.12
  4. Step 4: Simplify right side
    980,867.52x = 775,596,079,304.48
  5. Step 5: Solve for x
    x = 775,596,079,304.48/980,867.52
  6. Step 6: Final answer
    x = 790,724.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.