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Finding the Fourth Proportional to 569,503.84, 785,784.96 and 340,016.56

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Solution

The fourth proportional to 569,503.84, 785,784.96 and 340,016.56 is: 469,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,503.84 : 785,784.96 = 340,016.56 : x
  2. Step 2: Convert to fraction form
    569,503.84/785,784.96 = 340,016.56/x
  3. Step 3: Cross multiply
    569,503.84x = 785,784.96 × 340,016.56
  4. Step 4: Simplify right side
    569,503.84x = 267,179,898,998.94
  5. Step 5: Solve for x
    x = 267,179,898,998.94/569,503.84
  6. Step 6: Final answer
    x = 469,145.04

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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.