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Finding the Fourth Proportional to 368,569.54, 508,624.91 and 207,424.58

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Solution

The fourth proportional to 368,569.54, 508,624.91 and 207,424.58 is: 286,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,569.54 : 508,624.91 = 207,424.58 : x
  2. Step 2: Convert to fraction form
    368,569.54/508,624.91 = 207,424.58/x
  3. Step 3: Cross multiply
    368,569.54x = 508,624.91 × 207,424.58
  4. Step 4: Simplify right side
    368,569.54x = 105,501,308,334.29
  5. Step 5: Solve for x
    x = 105,501,308,334.29/368,569.54
  6. Step 6: Final answer
    x = 286,245.33

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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.