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Finding the Fourth Proportional to 368,205.35, 508,064.11 and 207,050.79

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Solution

The fourth proportional to 368,205.35, 508,064.11 and 207,050.79 is: 285,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,205.35 : 508,064.11 = 207,050.79 : x
  2. Step 2: Convert to fraction form
    368,205.35/508,064.11 = 207,050.79/x
  3. Step 3: Cross multiply
    368,205.35x = 508,064.11 × 207,050.79
  4. Step 4: Simplify right side
    368,205.35x = 105,195,075,346.15
  5. Step 5: Solve for x
    x = 105,195,075,346.15/368,205.35
  6. Step 6: Final answer
    x = 285,696.76

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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.