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Finding the Fourth Proportional to 480,127.96, 662,520.11 and 265,255.21

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Solution

The fourth proportional to 480,127.96, 662,520.11 and 265,255.21 is: 366,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,127.96 : 662,520.11 = 265,255.21 : x
  2. Step 2: Convert to fraction form
    480,127.96/662,520.11 = 265,255.21/x
  3. Step 3: Cross multiply
    480,127.96x = 662,520.11 × 265,255.21
  4. Step 4: Simplify right side
    480,127.96x = 175,736,906,268.40
  5. Step 5: Solve for x
    x = 175,736,906,268.40/480,127.96
  6. Step 6: Final answer
    x = 366,020.98

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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.