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Finding the Fourth Proportional to 593,999.90, 890,999.85 and 173,318.30

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Solution

The fourth proportional to 593,999.90, 890,999.85 and 173,318.30 is: 259,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,999.90 : 890,999.85 = 173,318.30 : x
  2. Step 2: Convert to fraction form
    593,999.90/890,999.85 = 173,318.30/x
  3. Step 3: Cross multiply
    593,999.90x = 890,999.85 × 173,318.30
  4. Step 4: Simplify right side
    593,999.90x = 154,426,579,302.26
  5. Step 5: Solve for x
    x = 154,426,579,302.26/593,999.90
  6. Step 6: Final answer
    x = 259,977.45

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Similar ratio
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1.5x scale

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.