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Finding the Fourth Proportional to 348,332.34, 480,743.10 and 205,105.68

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Solution

The fourth proportional to 348,332.34, 480,743.10 and 205,105.68 is: 283,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,332.34 : 480,743.10 = 205,105.68 : x
  2. Step 2: Convert to fraction form
    348,332.34/480,743.10 = 205,105.68/x
  3. Step 3: Cross multiply
    348,332.34x = 480,743.10 × 205,105.68
  4. Step 4: Simplify right side
    348,332.34x = 98,603,140,430.81
  5. Step 5: Solve for x
    x = 98,603,140,430.81/348,332.34
  6. Step 6: Final answer
    x = 283,072.02

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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.