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Finding the Fourth Proportional to 374,377.51, 516,640.98 and 204,611.64

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Solution

The fourth proportional to 374,377.51, 516,640.98 and 204,611.64 is: 282,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,377.51 : 516,640.98 = 204,611.64 : x
  2. Step 2: Convert to fraction form
    374,377.51/516,640.98 = 204,611.64/x
  3. Step 3: Cross multiply
    374,377.51x = 516,640.98 × 204,611.64
  4. Step 4: Simplify right side
    374,377.51x = 105,710,757,038.90
  5. Step 5: Solve for x
    x = 105,710,757,038.90/374,377.51
  6. Step 6: Final answer
    x = 282,364.07

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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.