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Finding the Fourth Proportional to 308,852.60, 463,235.70 and 98,511.80

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Solution

The fourth proportional to 308,852.60, 463,235.70 and 98,511.80 is: 147,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,852.60 : 463,235.70 = 98,511.80 : x
  2. Step 2: Convert to fraction form
    308,852.60/463,235.70 = 98,511.80/x
  3. Step 3: Cross multiply
    308,852.60x = 463,235.70 × 98,511.80
  4. Step 4: Simplify right side
    308,852.60x = 45,634,182,631.26
  5. Step 5: Solve for x
    x = 45,634,182,631.26/308,852.60
  6. Step 6: Final answer
    x = 147,753.92

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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.