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Finding the Fourth Proportional to 380,533.53, 570,847.20 and 124,360.05

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Solution

The fourth proportional to 380,533.53, 570,847.20 and 124,360.05 is: 186,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,533.53 : 570,847.20 = 124,360.05 : x
  2. Step 2: Convert to fraction form
    380,533.53/570,847.20 = 124,360.05/x
  3. Step 3: Cross multiply
    380,533.53x = 570,847.20 × 124,360.05
  4. Step 4: Simplify right side
    380,533.53x = 70,990,586,334.36
  5. Step 5: Solve for x
    x = 70,990,586,334.36/380,533.53
  6. Step 6: Final answer
    x = 186,555.40

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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.