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Finding the Fourth Proportional to 650,736.40, 974,808.60 and 572,803.60

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Solution

The fourth proportional to 650,736.40, 974,808.60 and 572,803.60 is: 858,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,736.40 : 974,808.60 = 572,803.60 : x
  2. Step 2: Convert to fraction form
    650,736.40/974,808.60 = 572,803.60/x
  3. Step 3: Cross multiply
    650,736.40x = 974,808.60 × 572,803.60
  4. Step 4: Simplify right side
    650,736.40x = 558,373,875,390.96
  5. Step 5: Solve for x
    x = 558,373,875,390.96/650,736.40
  6. Step 6: Final answer
    x = 858,064.61

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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.