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Finding the Fourth Proportional to 292,559.88, 438,800.94 and 115,019.22

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Solution

The fourth proportional to 292,559.88, 438,800.94 and 115,019.22 is: 172,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,559.88 : 438,800.94 = 115,019.22 : x
  2. Step 2: Convert to fraction form
    292,559.88/438,800.94 = 115,019.22/x
  3. Step 3: Cross multiply
    292,559.88x = 438,800.94 × 115,019.22
  4. Step 4: Simplify right side
    292,559.88x = 50,470,541,854.07
  5. Step 5: Solve for x
    x = 50,470,541,854.07/292,559.88
  6. Step 6: Final answer
    x = 172,513.54

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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.