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Finding the Fourth Proportional to 426,984.88, 589,239.24 and 235,998.28

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Solution

The fourth proportional to 426,984.88, 589,239.24 and 235,998.28 is: 325,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,984.88 : 589,239.24 = 235,998.28 : x
  2. Step 2: Convert to fraction form
    426,984.88/589,239.24 = 235,998.28/x
  3. Step 3: Cross multiply
    426,984.88x = 589,239.24 × 235,998.28
  4. Step 4: Simplify right side
    426,984.88x = 139,059,447,148.51
  5. Step 5: Solve for x
    x = 139,059,447,148.51/426,984.88
  6. Step 6: Final answer
    x = 325,677.68

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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.