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Finding the Fourth Proportional to 580,461.48, 870,526.80 and 225,399.60

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Solution

The fourth proportional to 580,461.48, 870,526.80 and 225,399.60 is: 338,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,461.48 : 870,526.80 = 225,399.60 : x
  2. Step 2: Convert to fraction form
    580,461.48/870,526.80 = 225,399.60/x
  3. Step 3: Cross multiply
    580,461.48x = 870,526.80 × 225,399.60
  4. Step 4: Simplify right side
    580,461.48x = 196,216,392,509.28
  5. Step 5: Solve for x
    x = 196,216,392,509.28/580,461.48
  6. Step 6: Final answer
    x = 338,035.17

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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.