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Finding the Fourth Proportional to 877,765.66, 1,316,648.50 and 246,679.48

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Solution

The fourth proportional to 877,765.66, 1,316,648.50 and 246,679.48 is: 370,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,765.66 : 1,316,648.50 = 246,679.48 : x
  2. Step 2: Convert to fraction form
    877,765.66/1,316,648.50 = 246,679.48/x
  3. Step 3: Cross multiply
    877,765.66x = 1,316,648.50 × 246,679.48
  4. Step 4: Simplify right side
    877,765.66x = 324,790,167,322.78
  5. Step 5: Solve for x
    x = 324,790,167,322.78/877,765.66
  6. Step 6: Final answer
    x = 370,019.22

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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.