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Finding the Fourth Proportional to 471,528.95, 650,724.63 and 256,683.34

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Solution

The fourth proportional to 471,528.95, 650,724.63 and 256,683.34 is: 354,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,528.95 : 650,724.63 = 256,683.34 : x
  2. Step 2: Convert to fraction form
    471,528.95/650,724.63 = 256,683.34/x
  3. Step 3: Cross multiply
    471,528.95x = 650,724.63 × 256,683.34
  4. Step 4: Simplify right side
    471,528.95x = 167,030,168,361.10
  5. Step 5: Solve for x
    x = 167,030,168,361.10/471,528.95
  6. Step 6: Final answer
    x = 354,230.99

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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.