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Finding the Fourth Proportional to 655,059.14, 903,988.83 and 360,741.90

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Solution

The fourth proportional to 655,059.14, 903,988.83 and 360,741.90 is: 497,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,059.14 : 903,988.83 = 360,741.90 : x
  2. Step 2: Convert to fraction form
    655,059.14/903,988.83 = 360,741.90/x
  3. Step 3: Cross multiply
    655,059.14x = 903,988.83 × 360,741.90
  4. Step 4: Simplify right side
    655,059.14x = 326,106,648,112.98
  5. Step 5: Solve for x
    x = 326,106,648,112.98/655,059.14
  6. Step 6: Final answer
    x = 497,827.80

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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.