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Finding the Fourth Proportional to 424,008.37, 585,172.70 and 242,746.17

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Solution

The fourth proportional to 424,008.37, 585,172.70 and 242,746.17 is: 335,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,008.37 : 585,172.70 = 242,746.17 : x
  2. Step 2: Convert to fraction form
    424,008.37/585,172.70 = 242,746.17/x
  3. Step 3: Cross multiply
    424,008.37x = 585,172.70 × 242,746.17
  4. Step 4: Simplify right side
    424,008.37x = 142,048,430,581.18
  5. Step 5: Solve for x
    x = 142,048,430,581.18/424,008.37
  6. Step 6: Final answer
    x = 335,013.27

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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.