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Finding the Fourth Proportional to 504,142.23, 695,707.48 and 274,701.44

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Solution

The fourth proportional to 504,142.23, 695,707.48 and 274,701.44 is: 379,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,142.23 : 695,707.48 = 274,701.44 : x
  2. Step 2: Convert to fraction form
    504,142.23/695,707.48 = 274,701.44/x
  3. Step 3: Cross multiply
    504,142.23x = 695,707.48 × 274,701.44
  4. Step 4: Simplify right side
    504,142.23x = 191,111,845,722.40
  5. Step 5: Solve for x
    x = 191,111,845,722.40/504,142.23
  6. Step 6: Final answer
    x = 379,083.19

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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.