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Finding the Fourth Proportional to 593,200.70, 889,714.65 and 172,432.70

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Solution

The fourth proportional to 593,200.70, 889,714.65 and 172,432.70 is: 258,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,200.70 : 889,714.65 = 172,432.70 : x
  2. Step 2: Convert to fraction form
    593,200.70/889,714.65 = 172,432.70/x
  3. Step 3: Cross multiply
    593,200.70x = 889,714.65 × 172,432.70
  4. Step 4: Simplify right side
    593,200.70x = 153,415,899,329.06
  5. Step 5: Solve for x
    x = 153,415,899,329.06/593,200.70
  6. Step 6: Final answer
    x = 258,623.94

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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.