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Finding the Fourth Proportional to 508,259.60, 701,346.26 and 304,305.22

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Solution

The fourth proportional to 508,259.60, 701,346.26 and 304,305.22 is: 419,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,259.60 : 701,346.26 = 304,305.22 : x
  2. Step 2: Convert to fraction form
    508,259.60/701,346.26 = 304,305.22/x
  3. Step 3: Cross multiply
    508,259.60x = 701,346.26 × 304,305.22
  4. Step 4: Simplify right side
    508,259.60x = 213,423,327,945.48
  5. Step 5: Solve for x
    x = 213,423,327,945.48/508,259.60
  6. Step 6: Final answer
    x = 419,910.08

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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.