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Finding the Fourth Proportional to 580,533.75, 870,855.66 and 225,575.19

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Solution

The fourth proportional to 580,533.75, 870,855.66 and 225,575.19 is: 338,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,533.75 : 870,855.66 = 225,575.19 : x
  2. Step 2: Convert to fraction form
    580,533.75/870,855.66 = 225,575.19/x
  3. Step 3: Cross multiply
    580,533.75x = 870,855.66 × 225,575.19
  4. Step 4: Simplify right side
    580,533.75x = 196,443,430,967.08
  5. Step 5: Solve for x
    x = 196,443,430,967.08/580,533.75
  6. Step 6: Final answer
    x = 338,384.17

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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.