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Finding the Fourth Proportional to 501,687.48, 692,325.16 and 272,238.94

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Solution

The fourth proportional to 501,687.48, 692,325.16 and 272,238.94 is: 375,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,687.48 : 692,325.16 = 272,238.94 : x
  2. Step 2: Convert to fraction form
    501,687.48/692,325.16 = 272,238.94/x
  3. Step 3: Cross multiply
    501,687.48x = 692,325.16 × 272,238.94
  4. Step 4: Simplify right side
    501,687.48x = 188,477,867,878.54
  5. Step 5: Solve for x
    x = 188,477,867,878.54/501,687.48
  6. Step 6: Final answer
    x = 375,687.80

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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.