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Finding the Fourth Proportional to 253,956.48, 350,495.64 and 157,191.38

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Solution

The fourth proportional to 253,956.48, 350,495.64 and 157,191.38 is: 216,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,956.48 : 350,495.64 = 157,191.38 : x
  2. Step 2: Convert to fraction form
    253,956.48/350,495.64 = 157,191.38/x
  3. Step 3: Cross multiply
    253,956.48x = 350,495.64 × 157,191.38
  4. Step 4: Simplify right side
    253,956.48x = 55,094,892,897.46
  5. Step 5: Solve for x
    x = 55,094,892,897.46/253,956.48
  6. Step 6: Final answer
    x = 216,946.20

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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.