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Finding the Fourth Proportional to 446,614.21, 616,320.13 and 242,668.26

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Solution

The fourth proportional to 446,614.21, 616,320.13 and 242,668.26 is: 334,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,614.21 : 616,320.13 = 242,668.26 : x
  2. Step 2: Convert to fraction form
    446,614.21/616,320.13 = 242,668.26/x
  3. Step 3: Cross multiply
    446,614.21x = 616,320.13 × 242,668.26
  4. Step 4: Simplify right side
    446,614.21x = 149,561,330,468.47
  5. Step 5: Solve for x
    x = 149,561,330,468.47/446,614.21
  6. Step 6: Final answer
    x = 334,878.13

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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.