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Finding the Fourth Proportional to 344,457.64, 475,354.08 and 189,411.64

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Solution

The fourth proportional to 344,457.64, 475,354.08 and 189,411.64 is: 261,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,457.64 : 475,354.08 = 189,411.64 : x
  2. Step 2: Convert to fraction form
    344,457.64/475,354.08 = 189,411.64/x
  3. Step 3: Cross multiply
    344,457.64x = 475,354.08 × 189,411.64
  4. Step 4: Simplify right side
    344,457.64x = 90,037,595,873.49
  5. Step 5: Solve for x
    x = 90,037,595,873.49/344,457.64
  6. Step 6: Final answer
    x = 261,389.46

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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.