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Finding the Fourth Proportional to 373,326.10, 561,155.55 and 366,327.70

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Solution

The fourth proportional to 373,326.10, 561,155.55 and 366,327.70 is: 550,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,326.10 : 561,155.55 = 366,327.70 : x
  2. Step 2: Convert to fraction form
    373,326.10/561,155.55 = 366,327.70/x
  3. Step 3: Cross multiply
    373,326.10x = 561,155.55 × 366,327.70
  4. Step 4: Simplify right side
    373,326.10x = 205,566,821,973.74
  5. Step 5: Solve for x
    x = 205,566,821,973.74/373,326.10
  6. Step 6: Final answer
    x = 550,636.08

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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.