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Finding the Fourth Proportional to 559,207.26, 771,714.77 and 304,558.25

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Solution

The fourth proportional to 559,207.26, 771,714.77 and 304,558.25 is: 420,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,207.26 : 771,714.77 = 304,558.25 : x
  2. Step 2: Convert to fraction form
    559,207.26/771,714.77 = 304,558.25/x
  3. Step 3: Cross multiply
    559,207.26x = 771,714.77 × 304,558.25
  4. Step 4: Simplify right side
    559,207.26x = 235,032,094,468.99
  5. Step 5: Solve for x
    x = 235,032,094,468.99/559,207.26
  6. Step 6: Final answer
    x = 420,295.14

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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.