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Finding the Fourth Proportional to 368,568.54, 508,623.53 and 207,423.58

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Solution

The fourth proportional to 368,568.54, 508,623.53 and 207,423.58 is: 286,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,568.54 : 508,623.53 = 207,423.58 : x
  2. Step 2: Convert to fraction form
    368,568.54/508,623.53 = 207,423.58/x
  3. Step 3: Cross multiply
    368,568.54x = 508,623.53 × 207,423.58
  4. Step 4: Simplify right side
    368,568.54x = 105,500,513,464.84
  5. Step 5: Solve for x
    x = 105,500,513,464.84/368,568.54
  6. Step 6: Final answer
    x = 286,243.95

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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.