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Finding the Fourth Proportional to 556,058.70, 767,340.42 and 301,404.42

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Solution

The fourth proportional to 556,058.70, 767,340.42 and 301,404.42 is: 415,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,058.70 : 767,340.42 = 301,404.42 : x
  2. Step 2: Convert to fraction form
    556,058.70/767,340.42 = 301,404.42/x
  3. Step 3: Cross multiply
    556,058.70x = 767,340.42 × 301,404.42
  4. Step 4: Simplify right side
    556,058.70x = 231,279,794,232.66
  5. Step 5: Solve for x
    x = 231,279,794,232.66/556,058.70
  6. Step 6: Final answer
    x = 415,926.94

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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.