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Finding the Fourth Proportional to 427,034.90, 589,282.82 and 236,036.90

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Solution

The fourth proportional to 427,034.90, 589,282.82 and 236,036.90 is: 325,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,034.90 : 589,282.82 = 236,036.90 : x
  2. Step 2: Convert to fraction form
    427,034.90/589,282.82 = 236,036.90/x
  3. Step 3: Cross multiply
    427,034.90x = 589,282.82 × 236,036.90
  4. Step 4: Simplify right side
    427,034.90x = 139,092,490,056.06
  5. Step 5: Solve for x
    x = 139,092,490,056.06/427,034.90
  6. Step 6: Final answer
    x = 325,716.91

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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.