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Finding the Fourth Proportional to 368,526, 508,567.92 and 207,383.76

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Solution

The fourth proportional to 368,526, 508,567.92 and 207,383.76 is: 286,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,526 : 508,567.92 = 207,383.76 : x
  2. Step 2: Convert to fraction form
    368,526/508,567.92 = 207,383.76/x
  3. Step 3: Cross multiply
    368,526x = 508,567.92 × 207,383.76
  4. Step 4: Simplify right side
    368,526x = 105,468,727,464.98
  5. Step 5: Solve for x
    x = 105,468,727,464.98/368,526
  6. Step 6: Final answer
    x = 286,190.74

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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.