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Finding the Fourth Proportional to 328,095.52, 491,032.04 and 201,815.70

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Solution

The fourth proportional to 328,095.52, 491,032.04 and 201,815.70 is: 302,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,095.52 : 491,032.04 = 201,815.70 : x
  2. Step 2: Convert to fraction form
    328,095.52/491,032.04 = 201,815.70/x
  3. Step 3: Cross multiply
    328,095.52x = 491,032.04 × 201,815.70
  4. Step 4: Simplify right side
    328,095.52x = 99,097,974,875.03
  5. Step 5: Solve for x
    x = 99,097,974,875.03/328,095.52
  6. Step 6: Final answer
    x = 302,040.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.