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Finding the Fourth Proportional to 329,070.24, 493,605.36 and 79,752.24

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Solution

The fourth proportional to 329,070.24, 493,605.36 and 79,752.24 is: 119,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,070.24 : 493,605.36 = 79,752.24 : x
  2. Step 2: Convert to fraction form
    329,070.24/493,605.36 = 79,752.24/x
  3. Step 3: Cross multiply
    329,070.24x = 493,605.36 × 79,752.24
  4. Step 4: Simplify right side
    329,070.24x = 39,366,133,136.01
  5. Step 5: Solve for x
    x = 39,366,133,136.01/329,070.24
  6. Step 6: Final answer
    x = 119,628.36

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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.