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Finding the Fourth Proportional to 569,494.80, 786,056.40 and 327,855.60

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Solution

The fourth proportional to 569,494.80, 786,056.40 and 327,855.60 is: 452,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,494.80 : 786,056.40 = 327,855.60 : x
  2. Step 2: Convert to fraction form
    569,494.80/786,056.40 = 327,855.60/x
  3. Step 3: Cross multiply
    569,494.80x = 786,056.40 × 327,855.60
  4. Step 4: Simplify right side
    569,494.80x = 257,712,992,655.84
  5. Step 5: Solve for x
    x = 257,712,992,655.84/569,494.80
  6. Step 6: Final answer
    x = 452,529.14

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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.