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Finding the Fourth Proportional to 508,333.53, 761,968.27 and 171,257.70

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Solution

The fourth proportional to 508,333.53, 761,968.27 and 171,257.70 is: 256,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,333.53 : 761,968.27 = 171,257.70 : x
  2. Step 2: Convert to fraction form
    508,333.53/761,968.27 = 171,257.70/x
  3. Step 3: Cross multiply
    508,333.53x = 761,968.27 × 171,257.70
  4. Step 4: Simplify right side
    508,333.53x = 130,492,936,464.63
  5. Step 5: Solve for x
    x = 130,492,936,464.63/508,333.53
  6. Step 6: Final answer
    x = 256,707.31

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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.