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Finding the Fourth Proportional to 264,655.63, 365,220.34 and 143,798.77

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Solution

The fourth proportional to 264,655.63, 365,220.34 and 143,798.77 is: 198,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,655.63 : 365,220.34 = 143,798.77 : x
  2. Step 2: Convert to fraction form
    264,655.63/365,220.34 = 143,798.77/x
  3. Step 3: Cross multiply
    264,655.63x = 365,220.34 × 143,798.77
  4. Step 4: Simplify right side
    264,655.63x = 52,518,235,670.98
  5. Step 5: Solve for x
    x = 52,518,235,670.98/264,655.63
  6. Step 6: Final answer
    x = 198,439.90

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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.