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Finding the Fourth Proportional to 549,253.29, 825,260.30 and 349,662.81

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Solution

The fourth proportional to 549,253.29, 825,260.30 and 349,662.81 is: 525,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,253.29 : 825,260.30 = 349,662.81 : x
  2. Step 2: Convert to fraction form
    549,253.29/825,260.30 = 349,662.81/x
  3. Step 3: Cross multiply
    549,253.29x = 825,260.30 × 349,662.81
  4. Step 4: Simplify right side
    549,253.29x = 288,562,833,731.13
  5. Step 5: Solve for x
    x = 288,562,833,731.13/549,253.29
  6. Step 6: Final answer
    x = 525,372.97

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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.