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Finding the Fourth Proportional to 308,332.36, 462,218.10 and 118,671.76

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Solution

The fourth proportional to 308,332.36, 462,218.10 and 118,671.76 is: 177,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,332.36 : 462,218.10 = 118,671.76 : x
  2. Step 2: Convert to fraction form
    308,332.36/462,218.10 = 118,671.76/x
  3. Step 3: Cross multiply
    308,332.36x = 462,218.10 × 118,671.76
  4. Step 4: Simplify right side
    308,332.36x = 54,852,235,430.86
  5. Step 5: Solve for x
    x = 54,852,235,430.86/308,332.36
  6. Step 6: Final answer
    x = 177,899.70

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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.