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Finding the Fourth Proportional to 501,515.60, 692,092.36 and 275,162.72

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Solution

The fourth proportional to 501,515.60, 692,092.36 and 275,162.72 is: 379,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,515.60 : 692,092.36 = 275,162.72 : x
  2. Step 2: Convert to fraction form
    501,515.60/692,092.36 = 275,162.72/x
  3. Step 3: Cross multiply
    501,515.60x = 692,092.36 × 275,162.72
  4. Step 4: Simplify right side
    501,515.60x = 190,438,016,268.82
  5. Step 5: Solve for x
    x = 190,438,016,268.82/501,515.60
  6. Step 6: Final answer
    x = 379,725.01

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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.