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Finding the Fourth Proportional to 549,636.56, 823,269.88 and 371,162.16

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Solution

The fourth proportional to 549,636.56, 823,269.88 and 371,162.16 is: 555,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,636.56 : 823,269.88 = 371,162.16 : x
  2. Step 2: Convert to fraction form
    549,636.56/823,269.88 = 371,162.16/x
  3. Step 3: Cross multiply
    549,636.56x = 823,269.88 × 371,162.16
  4. Step 4: Simplify right side
    549,636.56x = 305,566,626,923.74
  5. Step 5: Solve for x
    x = 305,566,626,923.74/549,636.56
  6. Step 6: Final answer
    x = 555,943.05

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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.