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Finding the Fourth Proportional to 519,548.23, 779,352.59 and 145,600.39

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Solution

The fourth proportional to 519,548.23, 779,352.59 and 145,600.39 is: 218,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,548.23 : 779,352.59 = 145,600.39 : x
  2. Step 2: Convert to fraction form
    519,548.23/779,352.59 = 145,600.39/x
  3. Step 3: Cross multiply
    519,548.23x = 779,352.59 × 145,600.39
  4. Step 4: Simplify right side
    519,548.23x = 113,474,041,051.51
  5. Step 5: Solve for x
    x = 113,474,041,051.51/519,548.23
  6. Step 6: Final answer
    x = 218,409.06

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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.