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Finding the Fourth Proportional to 450,015.94, 674,827.08 and 213,426.28

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Solution

The fourth proportional to 450,015.94, 674,827.08 and 213,426.28 is: 320,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,015.94 : 674,827.08 = 213,426.28 : x
  2. Step 2: Convert to fraction form
    450,015.94/674,827.08 = 213,426.28/x
  3. Step 3: Cross multiply
    450,015.94x = 674,827.08 × 213,426.28
  4. Step 4: Simplify right side
    450,015.94x = 144,025,833,327.66
  5. Step 5: Solve for x
    x = 144,025,833,327.66/450,015.94
  6. Step 6: Final answer
    x = 320,046.07

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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.