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Finding the Fourth Proportional to 456,133.80, 629,463.06 and 254,929.80

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Solution

The fourth proportional to 456,133.80, 629,463.06 and 254,929.80 is: 351,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,133.80 : 629,463.06 = 254,929.80 : x
  2. Step 2: Convert to fraction form
    456,133.80/629,463.06 = 254,929.80/x
  3. Step 3: Cross multiply
    456,133.80x = 629,463.06 × 254,929.80
  4. Step 4: Simplify right side
    456,133.80x = 160,468,888,845.87
  5. Step 5: Solve for x
    x = 160,468,888,845.87/456,133.80
  6. Step 6: Final answer
    x = 351,802.24

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1.5x scale

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.