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Finding the Fourth Proportional to 509,995.44, 763,497.72 and 357,664.56

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Solution

The fourth proportional to 509,995.44, 763,497.72 and 357,664.56 is: 535,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,995.44 : 763,497.72 = 357,664.56 : x
  2. Step 2: Convert to fraction form
    509,995.44/763,497.72 = 357,664.56/x
  3. Step 3: Cross multiply
    509,995.44x = 763,497.72 × 357,664.56
  4. Step 4: Simplify right side
    509,995.44x = 273,076,076,084.80
  5. Step 5: Solve for x
    x = 273,076,076,084.80/509,995.44
  6. Step 6: Final answer
    x = 535,448.07

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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.