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Finding the Fourth Proportional to 353,920.86, 530,560.44 and 176,482.26

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Solution

The fourth proportional to 353,920.86, 530,560.44 and 176,482.26 is: 264,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,920.86 : 530,560.44 = 176,482.26 : x
  2. Step 2: Convert to fraction form
    353,920.86/530,560.44 = 176,482.26/x
  3. Step 3: Cross multiply
    353,920.86x = 530,560.44 × 176,482.26
  4. Step 4: Simplify right side
    353,920.86x = 93,634,505,517.79
  5. Step 5: Solve for x
    x = 93,634,505,517.79/353,920.86
  6. Step 6: Final answer
    x = 264,563.40

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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.