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Finding the Fourth Proportional to 480,297.72, 662,812.92 and 262,510.80

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Solution

The fourth proportional to 480,297.72, 662,812.92 and 262,510.80 is: 362,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,297.72 : 662,812.92 = 262,510.80 : x
  2. Step 2: Convert to fraction form
    480,297.72/662,812.92 = 262,510.80/x
  3. Step 3: Cross multiply
    480,297.72x = 662,812.92 × 262,510.80
  4. Step 4: Simplify right side
    480,297.72x = 173,995,549,879.54
  5. Step 5: Solve for x
    x = 173,995,549,879.54/480,297.72
  6. Step 6: Final answer
    x = 362,266.03

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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.