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Finding the Fourth Proportional to 308,759.70, 463,173.57 and 98,349.24

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Solution

The fourth proportional to 308,759.70, 463,173.57 and 98,349.24 is: 147,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,759.70 : 463,173.57 = 98,349.24 : x
  2. Step 2: Convert to fraction form
    308,759.70/463,173.57 = 98,349.24/x
  3. Step 3: Cross multiply
    308,759.70x = 463,173.57 × 98,349.24
  4. Step 4: Simplify right side
    308,759.70x = 45,552,768,597.59
  5. Step 5: Solve for x
    x = 45,552,768,597.59/308,759.70
  6. Step 6: Final answer
    x = 147,534.70

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1.5x scale

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.