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Finding the Fourth Proportional to 343,762.79, 474,382.98 and 188,714.04

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Solution

The fourth proportional to 343,762.79, 474,382.98 and 188,714.04 is: 260,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,762.79 : 474,382.98 = 188,714.04 : x
  2. Step 2: Convert to fraction form
    343,762.79/474,382.98 = 188,714.04/x
  3. Step 3: Cross multiply
    343,762.79x = 474,382.98 × 188,714.04
  4. Step 4: Simplify right side
    343,762.79x = 89,522,726,884.10
  5. Step 5: Solve for x
    x = 89,522,726,884.10/343,762.79
  6. Step 6: Final answer
    x = 260,420.07

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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.