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Finding the Fourth Proportional to 950,552.76, 1,311,762.06 and 520,859.64

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Solution

The fourth proportional to 950,552.76, 1,311,762.06 and 520,859.64 is: 718,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,552.76 : 1,311,762.06 = 520,859.64 : x
  2. Step 2: Convert to fraction form
    950,552.76/1,311,762.06 = 520,859.64/x
  3. Step 3: Cross multiply
    950,552.76x = 1,311,762.06 × 520,859.64
  4. Step 4: Simplify right side
    950,552.76x = 683,243,914,337.26
  5. Step 5: Solve for x
    x = 683,243,914,337.26/950,552.76
  6. Step 6: Final answer
    x = 718,785.89

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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.