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Finding the Fourth Proportional to 328,804.93, 453,621.69 and 190,960.39

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Solution

The fourth proportional to 328,804.93, 453,621.69 and 190,960.39 is: 263,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,804.93 : 453,621.69 = 190,960.39 : x
  2. Step 2: Convert to fraction form
    328,804.93/453,621.69 = 190,960.39/x
  3. Step 3: Cross multiply
    328,804.93x = 453,621.69 × 190,960.39
  4. Step 4: Simplify right side
    328,804.93x = 86,623,773,700.80
  5. Step 5: Solve for x
    x = 86,623,773,700.80/328,804.93
  6. Step 6: Final answer
    x = 263,450.35

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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.