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Finding the Fourth Proportional to 555,234.40, 832,851.60 and 200,303.20

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Solution

The fourth proportional to 555,234.40, 832,851.60 and 200,303.20 is: 300,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,234.40 : 832,851.60 = 200,303.20 : x
  2. Step 2: Convert to fraction form
    555,234.40/832,851.60 = 200,303.20/x
  3. Step 3: Cross multiply
    555,234.40x = 832,851.60 × 200,303.20
  4. Step 4: Simplify right side
    555,234.40x = 166,822,840,605.12
  5. Step 5: Solve for x
    x = 166,822,840,605.12/555,234.40
  6. Step 6: Final answer
    x = 300,454.80

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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.