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Finding the Fourth Proportional to 400,415.00, 552,571.22 and 216,653.01

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Solution

The fourth proportional to 400,415.00, 552,571.22 and 216,653.01 is: 298,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,415.00 : 552,571.22 = 216,653.01 : x
  2. Step 2: Convert to fraction form
    400,415.00/552,571.22 = 216,653.01/x
  3. Step 3: Cross multiply
    400,415.00x = 552,571.22 × 216,653.01
  4. Step 4: Simplify right side
    400,415.00x = 119,716,216,521.86
  5. Step 5: Solve for x
    x = 119,716,216,521.86/400,415.00
  6. Step 6: Final answer
    x = 298,980.35

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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.