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Finding the Fourth Proportional to 183,455.45, 256,312.75 and 183,455.45

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Solution

The fourth proportional to 183,455.45, 256,312.75 and 183,455.45 is: 256,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,455.45 : 256,312.75 = 183,455.45 : x
  2. Step 2: Convert to fraction form
    183,455.45/256,312.75 = 183,455.45/x
  3. Step 3: Cross multiply
    183,455.45x = 256,312.75 × 183,455.45
  4. Step 4: Simplify right side
    183,455.45x = 47,021,970,891.99
  5. Step 5: Solve for x
    x = 47,021,970,891.99/183,455.45
  6. Step 6: Final answer
    x = 256,312.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.