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Finding the Fourth Proportional to 508,193.16, 701,301.69 and 278,745.69

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Solution

The fourth proportional to 508,193.16, 701,301.69 and 278,745.69 is: 384,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,193.16 : 701,301.69 = 278,745.69 : x
  2. Step 2: Convert to fraction form
    508,193.16/701,301.69 = 278,745.69/x
  3. Step 3: Cross multiply
    508,193.16x = 701,301.69 × 278,745.69
  4. Step 4: Simplify right side
    508,193.16x = 195,484,823,477.22
  5. Step 5: Solve for x
    x = 195,484,823,477.22/508,193.16
  6. Step 6: Final answer
    x = 384,666.38

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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.