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Finding the Fourth Proportional to 540,062.94, 745,276.14 and 298,343.25

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Solution

The fourth proportional to 540,062.94, 745,276.14 and 298,343.25 is: 411,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,062.94 : 745,276.14 = 298,343.25 : x
  2. Step 2: Convert to fraction form
    540,062.94/745,276.14 = 298,343.25/x
  3. Step 3: Cross multiply
    540,062.94x = 745,276.14 × 298,343.25
  4. Step 4: Simplify right side
    540,062.94x = 222,348,105,755.06
  5. Step 5: Solve for x
    x = 222,348,105,755.06/540,062.94
  6. Step 6: Final answer
    x = 411,707.76

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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.