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Finding the Fourth Proportional to 798,560, 1,101,887.52 and 458,964.80

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Solution

The fourth proportional to 798,560, 1,101,887.52 and 458,964.80 is: 633,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,560 : 1,101,887.52 = 458,964.80 : x
  2. Step 2: Convert to fraction form
    798,560/1,101,887.52 = 458,964.80/x
  3. Step 3: Cross multiply
    798,560x = 1,101,887.52 × 458,964.80
  4. Step 4: Simplify right side
    798,560x = 505,727,585,239.30
  5. Step 5: Solve for x
    x = 505,727,585,239.30/798,560
  6. Step 6: Final answer
    x = 633,299.42

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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.