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Finding the Fourth Proportional to 354,050.25, 531,074.86 and 164,406.91

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Solution

The fourth proportional to 354,050.25, 531,074.86 and 164,406.91 is: 246,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,050.25 : 531,074.86 = 164,406.91 : x
  2. Step 2: Convert to fraction form
    354,050.25/531,074.86 = 164,406.91/x
  3. Step 3: Cross multiply
    354,050.25x = 531,074.86 × 164,406.91
  4. Step 4: Simplify right side
    354,050.25x = 87,312,376,711.28
  5. Step 5: Solve for x
    x = 87,312,376,711.28/354,050.25
  6. Step 6: Final answer
    x = 246,610.13

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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.