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Finding the Fourth Proportional to 652,800.97, 900,883.16 and 366,338.60

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Solution

The fourth proportional to 652,800.97, 900,883.16 and 366,338.60 is: 505,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,800.97 : 900,883.16 = 366,338.60 : x
  2. Step 2: Convert to fraction form
    652,800.97/900,883.16 = 366,338.60/x
  3. Step 3: Cross multiply
    652,800.97x = 900,883.16 × 366,338.60
  4. Step 4: Simplify right side
    652,800.97x = 330,028,276,074.60
  5. Step 5: Solve for x
    x = 330,028,276,074.60/652,800.97
  6. Step 6: Final answer
    x = 505,557.27

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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.