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Finding the Fourth Proportional to 362,245.70, 543,368.55 and 220,528.10

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Solution

The fourth proportional to 362,245.70, 543,368.55 and 220,528.10 is: 330,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,245.70 : 543,368.55 = 220,528.10 : x
  2. Step 2: Convert to fraction form
    362,245.70/543,368.55 = 220,528.10/x
  3. Step 3: Cross multiply
    362,245.70x = 543,368.55 × 220,528.10
  4. Step 4: Simplify right side
    362,245.70x = 119,828,033,931.26
  5. Step 5: Solve for x
    x = 119,828,033,931.26/362,245.70
  6. Step 6: Final answer
    x = 330,792.15

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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.