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Finding the Fourth Proportional to 368,586.02, 508,564.56 and 207,382.25

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Solution

The fourth proportional to 368,586.02, 508,564.56 and 207,382.25 is: 286,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,586.02 : 508,564.56 = 207,382.25 : x
  2. Step 2: Convert to fraction form
    368,586.02/508,564.56 = 207,382.25/x
  3. Step 3: Cross multiply
    368,586.02x = 508,564.56 × 207,382.25
  4. Step 4: Simplify right side
    368,586.02x = 105,467,262,723.06
  5. Step 5: Solve for x
    x = 105,467,262,723.06/368,586.02
  6. Step 6: Final answer
    x = 286,140.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.