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Finding the Fourth Proportional to 580,861.50, 870,953.96 and 225,460.32

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Solution

The fourth proportional to 580,861.50, 870,953.96 and 225,460.32 is: 338,059.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,861.50 : 870,953.96 = 225,460.32 : x
  2. Step 2: Convert to fraction form
    580,861.50/870,953.96 = 225,460.32/x
  3. Step 3: Cross multiply
    580,861.50x = 870,953.96 × 225,460.32
  4. Step 4: Simplify right side
    580,861.50x = 196,365,558,526.87
  5. Step 5: Solve for x
    x = 196,365,558,526.87/580,861.50
  6. Step 6: Final answer
    x = 338,059.17

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1.5x scale

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.