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Finding the Fourth Proportional to 585,905.50, 808,635.88 and 371,065.54

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Solution

The fourth proportional to 585,905.50, 808,635.88 and 371,065.54 is: 512,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,905.50 : 808,635.88 = 371,065.54 : x
  2. Step 2: Convert to fraction form
    585,905.50/808,635.88 = 371,065.54/x
  3. Step 3: Cross multiply
    585,905.50x = 808,635.88 × 371,065.54
  4. Step 4: Simplify right side
    585,905.50x = 300,056,909,475.58
  5. Step 5: Solve for x
    x = 300,056,909,475.58/585,905.50
  6. Step 6: Final answer
    x = 512,125.09

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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.