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Finding the Fourth Proportional to 328,803.98, 453,714.84 and 190,956.02

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Solution

The fourth proportional to 328,803.98, 453,714.84 and 190,956.02 is: 263,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,803.98 : 453,714.84 = 190,956.02 : x
  2. Step 2: Convert to fraction form
    328,803.98/453,714.84 = 190,956.02/x
  3. Step 3: Cross multiply
    328,803.98x = 453,714.84 × 190,956.02
  4. Step 4: Simplify right side
    328,803.98x = 86,639,577,792.76
  5. Step 5: Solve for x
    x = 86,639,577,792.76/328,803.98
  6. Step 6: Final answer
    x = 263,499.18

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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.