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Finding the Fourth Proportional to 283,516.80, 424,837.80 and 245,900.40

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Solution

The fourth proportional to 283,516.80, 424,837.80 and 245,900.40 is: 368,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,516.80 : 424,837.80 = 245,900.40 : x
  2. Step 2: Convert to fraction form
    283,516.80/424,837.80 = 245,900.40/x
  3. Step 3: Cross multiply
    283,516.80x = 424,837.80 × 245,900.40
  4. Step 4: Simplify right side
    283,516.80x = 104,467,784,955.12
  5. Step 5: Solve for x
    x = 104,467,784,955.12/283,516.80
  6. Step 6: Final answer
    x = 368,471.23

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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.