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Finding the Fourth Proportional to 446,519.90, 616,186.71 and 255,521.06

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Solution

The fourth proportional to 446,519.90, 616,186.71 and 255,521.06 is: 352,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,519.90 : 616,186.71 = 255,521.06 : x
  2. Step 2: Convert to fraction form
    446,519.90/616,186.71 = 255,521.06/x
  3. Step 3: Cross multiply
    446,519.90x = 616,186.71 × 255,521.06
  4. Step 4: Simplify right side
    446,519.90x = 157,448,681,297.11
  5. Step 5: Solve for x
    x = 157,448,681,297.11/446,519.90
  6. Step 6: Final answer
    x = 352,612.91

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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.