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Finding the Fourth Proportional to 245,499.52, 366,457.04 and 210,663.04

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Solution

The fourth proportional to 245,499.52, 366,457.04 and 210,663.04 is: 314,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,499.52 : 366,457.04 = 210,663.04 : x
  2. Step 2: Convert to fraction form
    245,499.52/366,457.04 = 210,663.04/x
  3. Step 3: Cross multiply
    245,499.52x = 366,457.04 × 210,663.04
  4. Step 4: Simplify right side
    245,499.52x = 77,198,954,075.80
  5. Step 5: Solve for x
    x = 77,198,954,075.80/245,499.52
  6. Step 6: Final answer
    x = 314,456.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.