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Finding the Fourth Proportional to 356,246.26, 534,404.39 and 103,528.96

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Solution

The fourth proportional to 356,246.26, 534,404.39 and 103,528.96 is: 155,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,246.26 : 534,404.39 = 103,528.96 : x
  2. Step 2: Convert to fraction form
    356,246.26/534,404.39 = 103,528.96/x
  3. Step 3: Cross multiply
    356,246.26x = 534,404.39 × 103,528.96
  4. Step 4: Simplify right side
    356,246.26x = 55,326,328,862.48
  5. Step 5: Solve for x
    x = 55,326,328,862.48/356,246.26
  6. Step 6: Final answer
    x = 155,303.61

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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.