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Finding the Fourth Proportional to 328,368.78, 453,104.70 and 190,544.04

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Solution

The fourth proportional to 328,368.78, 453,104.70 and 190,544.04 is: 262,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,368.78 : 453,104.70 = 190,544.04 : x
  2. Step 2: Convert to fraction form
    328,368.78/453,104.70 = 190,544.04/x
  3. Step 3: Cross multiply
    328,368.78x = 453,104.70 × 190,544.04
  4. Step 4: Simplify right side
    328,368.78x = 86,336,400,080.99
  5. Step 5: Solve for x
    x = 86,336,400,080.99/328,368.78
  6. Step 6: Final answer
    x = 262,925.12

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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.