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Finding the Fourth Proportional to 554,441.77, 765,130.19 and 299,792.89

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Solution

The fourth proportional to 554,441.77, 765,130.19 and 299,792.89 is: 413,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,441.77 : 765,130.19 = 299,792.89 : x
  2. Step 2: Convert to fraction form
    554,441.77/765,130.19 = 299,792.89/x
  3. Step 3: Cross multiply
    554,441.77x = 765,130.19 × 299,792.89
  4. Step 4: Simplify right side
    554,441.77x = 229,380,589,387.39
  5. Step 5: Solve for x
    x = 229,380,589,387.39/554,441.77
  6. Step 6: Final answer
    x = 413,714.48

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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.