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Finding the Fourth Proportional to 508,843.08, 702,133.92 and 304,848.36

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Solution

The fourth proportional to 508,843.08, 702,133.92 and 304,848.36 is: 420,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,843.08 : 702,133.92 = 304,848.36 : x
  2. Step 2: Convert to fraction form
    508,843.08/702,133.92 = 304,848.36/x
  3. Step 3: Cross multiply
    508,843.08x = 702,133.92 × 304,848.36
  4. Step 4: Simplify right side
    508,843.08x = 214,044,374,012.37
  5. Step 5: Solve for x
    x = 214,044,374,012.37/508,843.08
  6. Step 6: Final answer
    x = 420,649.08

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Similar ratio
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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.