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Finding the Fourth Proportional to 593,191.70, 889,701.15 and 172,423.70

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Solution

The fourth proportional to 593,191.70, 889,701.15 and 172,423.70 is: 258,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,191.70 : 889,701.15 = 172,423.70 : x
  2. Step 2: Convert to fraction form
    593,191.70/889,701.15 = 172,423.70/x
  3. Step 3: Cross multiply
    593,191.70x = 889,701.15 × 172,423.70
  4. Step 4: Simplify right side
    593,191.70x = 153,405,564,177.26
  5. Step 5: Solve for x
    x = 153,405,564,177.26/593,191.70
  6. Step 6: Final answer
    x = 258,610.44

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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.