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Finding the Fourth Proportional to 480,405.36, 720,363.22 and 160,442.13

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Solution

The fourth proportional to 480,405.36, 720,363.22 and 160,442.13 is: 240,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,405.36 : 720,363.22 = 160,442.13 : x
  2. Step 2: Convert to fraction form
    480,405.36/720,363.22 = 160,442.13/x
  3. Step 3: Cross multiply
    480,405.36x = 720,363.22 × 160,442.13
  4. Step 4: Simplify right side
    480,405.36x = 115,576,609,390.46
  5. Step 5: Solve for x
    x = 115,576,609,390.46/480,405.36
  6. Step 6: Final answer
    x = 240,581.43

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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.