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Finding the Fourth Proportional to 526,064.25, 726,039.81 and 296,668.74

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Solution

The fourth proportional to 526,064.25, 726,039.81 and 296,668.74 is: 409,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,064.25 : 726,039.81 = 296,668.74 : x
  2. Step 2: Convert to fraction form
    526,064.25/726,039.81 = 296,668.74/x
  3. Step 3: Cross multiply
    526,064.25x = 726,039.81 × 296,668.74
  4. Step 4: Simplify right side
    526,064.25x = 215,393,315,622.54
  5. Step 5: Solve for x
    x = 215,393,315,622.54/526,064.25
  6. Step 6: Final answer
    x = 409,442.98

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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.