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Finding the Fourth Proportional to 469,762.39, 704,688.91 and 132,814.03

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Solution

The fourth proportional to 469,762.39, 704,688.91 and 132,814.03 is: 199,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,762.39 : 704,688.91 = 132,814.03 : x
  2. Step 2: Convert to fraction form
    469,762.39/704,688.91 = 132,814.03/x
  3. Step 3: Cross multiply
    469,762.39x = 704,688.91 × 132,814.03
  4. Step 4: Simplify right side
    469,762.39x = 93,592,574,008.02
  5. Step 5: Solve for x
    x = 93,592,574,008.02/469,762.39
  6. Step 6: Final answer
    x = 199,233.86

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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.