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Finding the Fourth Proportional to 461,422.94, 636,668.59 and 265,151.47

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Solution

The fourth proportional to 461,422.94, 636,668.59 and 265,151.47 is: 365,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,422.94 : 636,668.59 = 265,151.47 : x
  2. Step 2: Convert to fraction form
    461,422.94/636,668.59 = 265,151.47/x
  3. Step 3: Cross multiply
    461,422.94x = 636,668.59 × 265,151.47
  4. Step 4: Simplify right side
    461,422.94x = 168,813,612,541.33
  5. Step 5: Solve for x
    x = 168,813,612,541.33/461,422.94
  6. Step 6: Final answer
    x = 365,854.40

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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.