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Finding the Fourth Proportional to 264,985.64, 396,813.76 and 158,303.80

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Solution

The fourth proportional to 264,985.64, 396,813.76 and 158,303.80 is: 237,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,985.64 : 396,813.76 = 158,303.80 : x
  2. Step 2: Convert to fraction form
    264,985.64/396,813.76 = 158,303.80/x
  3. Step 3: Cross multiply
    264,985.64x = 396,813.76 × 158,303.80
  4. Step 4: Simplify right side
    264,985.64x = 62,817,126,100.29
  5. Step 5: Solve for x
    x = 62,817,126,100.29/264,985.64
  6. Step 6: Final answer
    x = 237,058.60

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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.