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Finding the Fourth Proportional to 356,499.64, 534,389.63 and 223,473.31

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Solution

The fourth proportional to 356,499.64, 534,389.63 and 223,473.31 is: 334,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,499.64 : 534,389.63 = 223,473.31 : x
  2. Step 2: Convert to fraction form
    356,499.64/534,389.63 = 223,473.31/x
  3. Step 3: Cross multiply
    356,499.64x = 534,389.63 × 223,473.31
  4. Step 4: Simplify right side
    356,499.64x = 119,421,818,328.41
  5. Step 5: Solve for x
    x = 119,421,818,328.41/356,499.64
  6. Step 6: Final answer
    x = 334,984.41

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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.