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Finding the Fourth Proportional to 555,590.11, 766,714.53 and 300,941.41

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Solution

The fourth proportional to 555,590.11, 766,714.53 and 300,941.41 is: 415,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,590.11 : 766,714.53 = 300,941.41 : x
  2. Step 2: Convert to fraction form
    555,590.11/766,714.53 = 300,941.41/x
  3. Step 3: Cross multiply
    555,590.11x = 766,714.53 × 300,941.41
  4. Step 4: Simplify right side
    555,590.11x = 230,736,151,725.69
  5. Step 5: Solve for x
    x = 230,736,151,725.69/555,590.11
  6. Step 6: Final answer
    x = 415,299.24

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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.