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Finding the Fourth Proportional to 700,440, 1,050,813.36 and 227,173.20

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Solution

The fourth proportional to 700,440, 1,050,813.36 and 227,173.20 is: 340,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,440 : 1,050,813.36 = 227,173.20 : x
  2. Step 2: Convert to fraction form
    700,440/1,050,813.36 = 227,173.20/x
  3. Step 3: Cross multiply
    700,440x = 1,050,813.36 × 227,173.20
  4. Step 4: Simplify right side
    700,440x = 238,716,633,593.95
  5. Step 5: Solve for x
    x = 238,716,633,593.95/700,440
  6. Step 6: Final answer
    x = 340,809.54

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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.