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Finding the Fourth Proportional to 264,420.86, 364,898.70 and 143,559.72

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Solution

The fourth proportional to 264,420.86, 364,898.70 and 143,559.72 is: 198,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,420.86 : 364,898.70 = 143,559.72 : x
  2. Step 2: Convert to fraction form
    264,420.86/364,898.70 = 143,559.72/x
  3. Step 3: Cross multiply
    264,420.86x = 364,898.70 × 143,559.72
  4. Step 4: Simplify right side
    264,420.86x = 52,384,755,200.36
  5. Step 5: Solve for x
    x = 52,384,755,200.36/264,420.86
  6. Step 6: Final answer
    x = 198,111.28

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1.5x scale

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.