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Finding the Fourth Proportional to 282,062.80, 423,094.20 and 268,940.80

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Solution

The fourth proportional to 282,062.80, 423,094.20 and 268,940.80 is: 403,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,062.80 : 423,094.20 = 268,940.80 : x
  2. Step 2: Convert to fraction form
    282,062.80/423,094.20 = 268,940.80/x
  3. Step 3: Cross multiply
    282,062.80x = 423,094.20 × 268,940.80
  4. Step 4: Simplify right side
    282,062.80x = 113,787,292,623.36
  5. Step 5: Solve for x
    x = 113,787,292,623.36/282,062.80
  6. Step 6: Final answer
    x = 403,411.20

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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.