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Finding the Fourth Proportional to 633,546.33, 874,074.83 and 480,425.01

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Solution

The fourth proportional to 633,546.33, 874,074.83 and 480,425.01 is: 662,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,546.33 : 874,074.83 = 480,425.01 : x
  2. Step 2: Convert to fraction form
    633,546.33/874,074.83 = 480,425.01/x
  3. Step 3: Cross multiply
    633,546.33x = 874,074.83 × 480,425.01
  4. Step 4: Simplify right side
    633,546.33x = 419,927,403,263.59
  5. Step 5: Solve for x
    x = 419,927,403,263.59/633,546.33
  6. Step 6: Final answer
    x = 662,820.36

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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.