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Finding the Fourth Proportional to 480,365.13, 720,303.13 and 160,401.97

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Solution

The fourth proportional to 480,365.13, 720,303.13 and 160,401.97 is: 240,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,365.13 : 720,303.13 = 160,401.97 : x
  2. Step 2: Convert to fraction form
    480,365.13/720,303.13 = 160,401.97/x
  3. Step 3: Cross multiply
    480,365.13x = 720,303.13 × 160,401.97
  4. Step 4: Simplify right side
    480,365.13x = 115,538,042,150.05
  5. Step 5: Solve for x
    x = 115,538,042,150.05/480,365.13
  6. Step 6: Final answer
    x = 240,521.29

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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.