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Finding the Fourth Proportional to 328,762.24, 493,165.44 and 115,504.24

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Solution

The fourth proportional to 328,762.24, 493,165.44 and 115,504.24 is: 173,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,762.24 : 493,165.44 = 115,504.24 : x
  2. Step 2: Convert to fraction form
    328,762.24/493,165.44 = 115,504.24/x
  3. Step 3: Cross multiply
    328,762.24x = 493,165.44 × 115,504.24
  4. Step 4: Simplify right side
    328,762.24x = 56,962,699,341.47
  5. Step 5: Solve for x
    x = 56,962,699,341.47/328,762.24
  6. Step 6: Final answer
    x = 173,264.12

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1.5x scale

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.