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Finding the Fourth Proportional to 519,051.72, 778,510.26 and 164,101.56

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Solution

The fourth proportional to 519,051.72, 778,510.26 and 164,101.56 is: 246,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,051.72 : 778,510.26 = 164,101.56 : x
  2. Step 2: Convert to fraction form
    519,051.72/778,510.26 = 164,101.56/x
  3. Step 3: Cross multiply
    519,051.72x = 778,510.26 × 164,101.56
  4. Step 4: Simplify right side
    519,051.72x = 127,754,748,142.01
  5. Step 5: Solve for x
    x = 127,754,748,142.01/519,051.72
  6. Step 6: Final answer
    x = 246,131.06

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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.