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Finding the Fourth Proportional to 354,003.67, 530,808.65 and 117,217.18

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Solution

The fourth proportional to 354,003.67, 530,808.65 and 117,217.18 is: 175,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,003.67 : 530,808.65 = 117,217.18 : x
  2. Step 2: Convert to fraction form
    354,003.67/530,808.65 = 117,217.18/x
  3. Step 3: Cross multiply
    354,003.67x = 530,808.65 × 117,217.18
  4. Step 4: Simplify right side
    354,003.67x = 62,219,892,409.10
  5. Step 5: Solve for x
    x = 62,219,892,409.10/354,003.67
  6. Step 6: Final answer
    x = 175,760.59

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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.