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Finding the Fourth Proportional to 254,224.94, 350,994.76 and 157,531.40

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Solution

The fourth proportional to 254,224.94, 350,994.76 and 157,531.40 is: 217,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,224.94 : 350,994.76 = 157,531.40 : x
  2. Step 2: Convert to fraction form
    254,224.94/350,994.76 = 157,531.40/x
  3. Step 3: Cross multiply
    254,224.94x = 350,994.76 × 157,531.40
  4. Step 4: Simplify right side
    254,224.94x = 55,292,695,935.46
  5. Step 5: Solve for x
    x = 55,292,695,935.46/254,224.94
  6. Step 6: Final answer
    x = 217,495.17

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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.