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Finding the Fourth Proportional to 501,542.68, 692,126.76 and 275,183.32

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Solution

The fourth proportional to 501,542.68, 692,126.76 and 275,183.32 is: 379,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,542.68 : 692,126.76 = 275,183.32 : x
  2. Step 2: Convert to fraction form
    501,542.68/692,126.76 = 275,183.32/x
  3. Step 3: Cross multiply
    501,542.68x = 692,126.76 × 275,183.32
  4. Step 4: Simplify right side
    501,542.68x = 190,461,739,677.64
  5. Step 5: Solve for x
    x = 190,461,739,677.64/501,542.68
  6. Step 6: Final answer
    x = 379,751.81

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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.