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Finding the Fourth Proportional to 480,020.73, 662,428.98 and 262,232.39

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Solution

The fourth proportional to 480,020.73, 662,428.98 and 262,232.39 is: 361,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,020.73 : 662,428.98 = 262,232.39 : x
  2. Step 2: Convert to fraction form
    480,020.73/662,428.98 = 262,232.39/x
  3. Step 3: Cross multiply
    480,020.73x = 662,428.98 × 262,232.39
  4. Step 4: Simplify right side
    480,020.73x = 173,710,331,318.52
  5. Step 5: Solve for x
    x = 173,710,331,318.52/480,020.73
  6. Step 6: Final answer
    x = 361,880.89

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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.