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Finding the Fourth Proportional to 431,281.55, 595,172.57 and 237,696.19

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Solution

The fourth proportional to 431,281.55, 595,172.57 and 237,696.19 is: 328,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,281.55 : 595,172.57 = 237,696.19 : x
  2. Step 2: Convert to fraction form
    431,281.55/595,172.57 = 237,696.19/x
  3. Step 3: Cross multiply
    431,281.55x = 595,172.57 × 237,696.19
  4. Step 4: Simplify right side
    431,281.55x = 141,470,249,605.10
  5. Step 5: Solve for x
    x = 141,470,249,605.10/431,281.55
  6. Step 6: Final answer
    x = 328,022.96

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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.