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Finding the Fourth Proportional to 540,224.00, 745,508.86 and 298,504.46

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Solution

The fourth proportional to 540,224.00, 745,508.86 and 298,504.46 is: 411,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,224.00 : 745,508.86 = 298,504.46 : x
  2. Step 2: Convert to fraction form
    540,224.00/745,508.86 = 298,504.46/x
  3. Step 3: Cross multiply
    540,224.00x = 745,508.86 × 298,504.46
  4. Step 4: Simplify right side
    540,224.00x = 222,537,718,282.63
  5. Step 5: Solve for x
    x = 222,537,718,282.63/540,224.00
  6. Step 6: Final answer
    x = 411,936.01

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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.