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Finding the Fourth Proportional to 554,590.47, 765,334.85 and 299,941.66

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Solution

The fourth proportional to 554,590.47, 765,334.85 and 299,941.66 is: 413,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,590.47 : 765,334.85 = 299,941.66 : x
  2. Step 2: Convert to fraction form
    554,590.47/765,334.85 = 299,941.66/x
  3. Step 3: Cross multiply
    554,590.47x = 765,334.85 × 299,941.66
  4. Step 4: Simplify right side
    554,590.47x = 229,555,805,364.85
  5. Step 5: Solve for x
    x = 229,555,805,364.85/554,590.47
  6. Step 6: Final answer
    x = 413,919.49

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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.