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Finding the Fourth Proportional to 593,256.20, 889,797.90 and 172,488.20

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Solution

The fourth proportional to 593,256.20, 889,797.90 and 172,488.20 is: 258,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,256.20 : 889,797.90 = 172,488.20 : x
  2. Step 2: Convert to fraction form
    593,256.20/889,797.90 = 172,488.20/x
  3. Step 3: Cross multiply
    593,256.20x = 889,797.90 × 172,488.20
  4. Step 4: Simplify right side
    593,256.20x = 153,479,638,134.78
  5. Step 5: Solve for x
    x = 153,479,638,134.78/593,256.20
  6. Step 6: Final answer
    x = 258,707.18

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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.