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Finding the Fourth Proportional to 570,496.50, 856,039.86 and 290,014.02

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Solution

The fourth proportional to 570,496.50, 856,039.86 and 290,014.02 is: 435,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,496.50 : 856,039.86 = 290,014.02 : x
  2. Step 2: Convert to fraction form
    570,496.50/856,039.86 = 290,014.02/x
  3. Step 3: Cross multiply
    570,496.50x = 856,039.86 × 290,014.02
  4. Step 4: Simplify right side
    570,496.50x = 248,263,561,078.84
  5. Step 5: Solve for x
    x = 248,263,561,078.84/570,496.50
  6. Step 6: Final answer
    x = 435,171.05

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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.