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Finding the Fourth Proportional to 328,536.30, 492,804.45 and 295,358.70

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Solution

The fourth proportional to 328,536.30, 492,804.45 and 295,358.70 is: 443,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,536.30 : 492,804.45 = 295,358.70 : x
  2. Step 2: Convert to fraction form
    328,536.30/492,804.45 = 295,358.70/x
  3. Step 3: Cross multiply
    328,536.30x = 492,804.45 × 295,358.70
  4. Step 4: Simplify right side
    328,536.30x = 145,554,081,706.22
  5. Step 5: Solve for x
    x = 145,554,081,706.22/328,536.30
  6. Step 6: Final answer
    x = 443,038.05

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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.