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Finding the Fourth Proportional to 264,340.30, 364,779.77 and 143,478.98

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Solution

The fourth proportional to 264,340.30, 364,779.77 and 143,478.98 is: 197,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,340.30 : 364,779.77 = 143,478.98 : x
  2. Step 2: Convert to fraction form
    264,340.30/364,779.77 = 143,478.98/x
  3. Step 3: Cross multiply
    264,340.30x = 364,779.77 × 143,478.98
  4. Step 4: Simplify right side
    264,340.30x = 52,338,229,518.79
  5. Step 5: Solve for x
    x = 52,338,229,518.79/264,340.30
  6. Step 6: Final answer
    x = 197,995.65

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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.