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Finding the Fourth Proportional to 273,281.68, 407,205.74 and 243,470.44

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Solution

The fourth proportional to 273,281.68, 407,205.74 and 243,470.44 is: 362,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,281.68 : 407,205.74 = 243,470.44 : x
  2. Step 2: Convert to fraction form
    273,281.68/407,205.74 = 243,470.44/x
  3. Step 3: Cross multiply
    273,281.68x = 407,205.74 × 243,470.44
  4. Step 4: Simplify right side
    273,281.68x = 99,142,560,688.33
  5. Step 5: Solve for x
    x = 99,142,560,688.33/273,281.68
  6. Step 6: Final answer
    x = 362,785.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.