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Finding the Fourth Proportional to 642,293.63, 886,252.56 and 366,525.58

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Solution

The fourth proportional to 642,293.63, 886,252.56 and 366,525.58 is: 505,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,293.63 : 886,252.56 = 366,525.58 : x
  2. Step 2: Convert to fraction form
    642,293.63/886,252.56 = 366,525.58/x
  3. Step 3: Cross multiply
    642,293.63x = 886,252.56 × 366,525.58
  4. Step 4: Simplify right side
    642,293.63x = 324,834,227,316.59
  5. Step 5: Solve for x
    x = 324,834,227,316.59/642,293.63
  6. Step 6: Final answer
    x = 505,741.01

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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.