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Finding the Fourth Proportional to 593,302.20, 889,866.90 and 172,534.20

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Solution

The fourth proportional to 593,302.20, 889,866.90 and 172,534.20 is: 258,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,302.20 : 889,866.90 = 172,534.20 : x
  2. Step 2: Convert to fraction form
    593,302.20/889,866.90 = 172,534.20/x
  3. Step 3: Cross multiply
    593,302.20x = 889,866.90 × 172,534.20
  4. Step 4: Simplify right side
    593,302.20x = 153,532,473,697.98
  5. Step 5: Solve for x
    x = 153,532,473,697.98/593,302.20
  6. Step 6: Final answer
    x = 258,776.17

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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.