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Finding the Fourth Proportional to 264,790.53, 365,059.85 and 219,300.93

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Solution

The fourth proportional to 264,790.53, 365,059.85 and 219,300.93 is: 302,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,790.53 : 365,059.85 = 219,300.93 : x
  2. Step 2: Convert to fraction form
    264,790.53/365,059.85 = 219,300.93/x
  3. Step 3: Cross multiply
    264,790.53x = 365,059.85 × 219,300.93
  4. Step 4: Simplify right side
    264,790.53x = 80,057,963,514.16
  5. Step 5: Solve for x
    x = 80,057,963,514.16/264,790.53
  6. Step 6: Final answer
    x = 302,344.51

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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.