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Finding the Fourth Proportional to 551,116.58, 825,905.10 and 297,851.18

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Solution

The fourth proportional to 551,116.58, 825,905.10 and 297,851.18 is: 446,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,116.58 : 825,905.10 = 297,851.18 : x
  2. Step 2: Convert to fraction form
    551,116.58/825,905.10 = 297,851.18/x
  3. Step 3: Cross multiply
    551,116.58x = 825,905.10 × 297,851.18
  4. Step 4: Simplify right side
    551,116.58x = 245,996,808,603.02
  5. Step 5: Solve for x
    x = 245,996,808,603.02/551,116.58
  6. Step 6: Final answer
    x = 446,360.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.