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Finding the Fourth Proportional to 294,862.74, 441,645.80 and 243,681.72

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Solution

The fourth proportional to 294,862.74, 441,645.80 and 243,681.72 is: 364,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,862.74 : 441,645.80 = 243,681.72 : x
  2. Step 2: Convert to fraction form
    294,862.74/441,645.80 = 243,681.72/x
  3. Step 3: Cross multiply
    294,862.74x = 441,645.80 × 243,681.72
  4. Step 4: Simplify right side
    294,862.74x = 107,621,008,174.78
  5. Step 5: Solve for x
    x = 107,621,008,174.78/294,862.74
  6. Step 6: Final answer
    x = 364,986.80

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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.