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Finding the Fourth Proportional to 569,383.56, 785,718.63 and 314,719.56

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Solution

The fourth proportional to 569,383.56, 785,718.63 and 314,719.56 is: 434,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,383.56 : 785,718.63 = 314,719.56 : x
  2. Step 2: Convert to fraction form
    569,383.56/785,718.63 = 314,719.56/x
  3. Step 3: Cross multiply
    569,383.56x = 785,718.63 × 314,719.56
  4. Step 4: Simplify right side
    569,383.56x = 247,281,021,517.40
  5. Step 5: Solve for x
    x = 247,281,021,517.40/569,383.56
  6. Step 6: Final answer
    x = 434,296.03

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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.