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Finding the Fourth Proportional to 368,527, 508,561.28 and 207,381.96

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Solution

The fourth proportional to 368,527, 508,561.28 and 207,381.96 is: 286,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,527 : 508,561.28 = 207,381.96 : x
  2. Step 2: Convert to fraction form
    368,527/508,561.28 = 207,381.96/x
  3. Step 3: Cross multiply
    368,527x = 508,561.28 × 207,381.96
  4. Step 4: Simplify right side
    368,527x = 105,466,435,026.51
  5. Step 5: Solve for x
    x = 105,466,435,026.51/368,527
  6. Step 6: Final answer
    x = 286,183.74

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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.