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Finding the Fourth Proportional to 320,184.99, 480,277.48 and 120,550.16

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Solution

The fourth proportional to 320,184.99, 480,277.48 and 120,550.16 is: 180,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,184.99 : 480,277.48 = 120,550.16 : x
  2. Step 2: Convert to fraction form
    320,184.99/480,277.48 = 120,550.16/x
  3. Step 3: Cross multiply
    320,184.99x = 480,277.48 × 120,550.16
  4. Step 4: Simplify right side
    320,184.99x = 57,897,527,058.40
  5. Step 5: Solve for x
    x = 57,897,527,058.40/320,184.99
  6. Step 6: Final answer
    x = 180,825.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.