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Finding the Fourth Proportional to 284,551.08, 392,646.89 and 169,808.50

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Solution

The fourth proportional to 284,551.08, 392,646.89 and 169,808.50 is: 234,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,551.08 : 392,646.89 = 169,808.50 : x
  2. Step 2: Convert to fraction form
    284,551.08/392,646.89 = 169,808.50/x
  3. Step 3: Cross multiply
    284,551.08x = 392,646.89 × 169,808.50
  4. Step 4: Simplify right side
    284,551.08x = 66,674,780,335.89
  5. Step 5: Solve for x
    x = 66,674,780,335.89/284,551.08
  6. Step 6: Final answer
    x = 234,315.68

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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.