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Finding the Fourth Proportional to 471,529.06, 650,724.78 and 256,683.45

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Solution

The fourth proportional to 471,529.06, 650,724.78 and 256,683.45 is: 354,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,529.06 : 650,724.78 = 256,683.45 : x
  2. Step 2: Convert to fraction form
    471,529.06/650,724.78 = 256,683.45/x
  3. Step 3: Cross multiply
    471,529.06x = 650,724.78 × 256,683.45
  4. Step 4: Simplify right side
    471,529.06x = 167,030,281,530.89
  5. Step 5: Solve for x
    x = 167,030,281,530.89/471,529.06
  6. Step 6: Final answer
    x = 354,231.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.