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Finding the Fourth Proportional to 328,657.23, 453,560.72 and 207,755.01

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Solution

The fourth proportional to 328,657.23, 453,560.72 and 207,755.01 is: 286,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,657.23 : 453,560.72 = 207,755.01 : x
  2. Step 2: Convert to fraction form
    328,657.23/453,560.72 = 207,755.01/x
  3. Step 3: Cross multiply
    328,657.23x = 453,560.72 × 207,755.01
  4. Step 4: Simplify right side
    328,657.23x = 94,229,510,880.43
  5. Step 5: Solve for x
    x = 94,229,510,880.43/328,657.23
  6. Step 6: Final answer
    x = 286,710.60

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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.