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Finding the Fourth Proportional to 352,482.12, 486,430.38 and 191,337.48

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Solution

The fourth proportional to 352,482.12, 486,430.38 and 191,337.48 is: 264,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,482.12 : 486,430.38 = 191,337.48 : x
  2. Step 2: Convert to fraction form
    352,482.12/486,430.38 = 191,337.48/x
  3. Step 3: Cross multiply
    352,482.12x = 486,430.38 × 191,337.48
  4. Step 4: Simplify right side
    352,482.12x = 93,072,363,104.64
  5. Step 5: Solve for x
    x = 93,072,363,104.64/352,482.12
  6. Step 6: Final answer
    x = 264,048.47

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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.