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Finding the Fourth Proportional to 526,613.94, 726,720.08 and 294,044.47

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Solution

The fourth proportional to 526,613.94, 726,720.08 and 294,044.47 is: 405,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,613.94 : 726,720.08 = 294,044.47 : x
  2. Step 2: Convert to fraction form
    526,613.94/726,720.08 = 294,044.47/x
  3. Step 3: Cross multiply
    526,613.94x = 726,720.08 × 294,044.47
  4. Step 4: Simplify right side
    526,613.94x = 213,688,017,474.94
  5. Step 5: Solve for x
    x = 213,688,017,474.94/526,613.94
  6. Step 6: Final answer
    x = 405,777.37

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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.