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Finding the Fourth Proportional to 400,133.95, 600,201.53 and 163,476.86

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Solution

The fourth proportional to 400,133.95, 600,201.53 and 163,476.86 is: 245,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,133.95 : 600,201.53 = 163,476.86 : x
  2. Step 2: Convert to fraction form
    400,133.95/600,201.53 = 163,476.86/x
  3. Step 3: Cross multiply
    400,133.95x = 600,201.53 × 163,476.86
  4. Step 4: Simplify right side
    400,133.95x = 98,119,060,674.21
  5. Step 5: Solve for x
    x = 98,119,060,674.21/400,133.95
  6. Step 6: Final answer
    x = 245,215.54

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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.