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Finding the Fourth Proportional to 264,039.75, 364,397.90 and 144,830.79

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Solution

The fourth proportional to 264,039.75, 364,397.90 and 144,830.79 is: 199,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,039.75 : 364,397.90 = 144,830.79 : x
  2. Step 2: Convert to fraction form
    264,039.75/364,397.90 = 144,830.79/x
  3. Step 3: Cross multiply
    264,039.75x = 364,397.90 × 144,830.79
  4. Step 4: Simplify right side
    264,039.75x = 52,776,035,007.19
  5. Step 5: Solve for x
    x = 52,776,035,007.19/264,039.75
  6. Step 6: Final answer
    x = 199,879.13

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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.