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Finding the Fourth Proportional to 354,000.09, 530,803.28 and 117,213.60

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Solution

The fourth proportional to 354,000.09, 530,803.28 and 117,213.60 is: 175,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,000.09 : 530,803.28 = 117,213.60 : x
  2. Step 2: Convert to fraction form
    354,000.09/530,803.28 = 117,213.60/x
  3. Step 3: Cross multiply
    354,000.09x = 530,803.28 × 117,213.60
  4. Step 4: Simplify right side
    354,000.09x = 62,217,362,754.54
  5. Step 5: Solve for x
    x = 62,217,362,754.54/354,000.09
  6. Step 6: Final answer
    x = 175,755.22

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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.