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Finding the Fourth Proportional to 283,504.96, 425,424.88 and 103,574.40

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Solution

The fourth proportional to 283,504.96, 425,424.88 and 103,574.40 is: 155,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,504.96 : 425,424.88 = 103,574.40 : x
  2. Step 2: Convert to fraction form
    283,504.96/425,424.88 = 103,574.40/x
  3. Step 3: Cross multiply
    283,504.96x = 425,424.88 × 103,574.40
  4. Step 4: Simplify right side
    283,504.96x = 44,063,125,516.50
  5. Step 5: Solve for x
    x = 44,063,125,516.50/283,504.96
  6. Step 6: Final answer
    x = 155,422.77

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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.