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Finding the Fourth Proportional to 540,502.96, 745,883.10 and 298,795.72

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Solution

The fourth proportional to 540,502.96, 745,883.10 and 298,795.72 is: 412,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,502.96 : 745,883.10 = 298,795.72 : x
  2. Step 2: Convert to fraction form
    540,502.96/745,883.10 = 298,795.72/x
  3. Step 3: Cross multiply
    540,502.96x = 745,883.10 × 298,795.72
  4. Step 4: Simplify right side
    540,502.96x = 222,866,677,900.33
  5. Step 5: Solve for x
    x = 222,866,677,900.33/540,502.96
  6. Step 6: Final answer
    x = 412,332.02

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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.