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Finding the Fourth Proportional to 549,003.17, 757,616.92 and 307,285.67

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Solution

The fourth proportional to 549,003.17, 757,616.92 and 307,285.67 is: 424,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,003.17 : 757,616.92 = 307,285.67 : x
  2. Step 2: Convert to fraction form
    549,003.17/757,616.92 = 307,285.67/x
  3. Step 3: Cross multiply
    549,003.17x = 757,616.92 × 307,285.67
  4. Step 4: Simplify right side
    549,003.17x = 232,804,823,991.37
  5. Step 5: Solve for x
    x = 232,804,823,991.37/549,003.17
  6. Step 6: Final answer
    x = 424,050.05

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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.