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Finding the Fourth Proportional to 603,574.90, 905,034.30 and 248,624.80

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Solution

The fourth proportional to 603,574.90, 905,034.30 and 248,624.80 is: 372,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,574.90 : 905,034.30 = 248,624.80 : x
  2. Step 2: Convert to fraction form
    603,574.90/905,034.30 = 248,624.80/x
  3. Step 3: Cross multiply
    603,574.90x = 905,034.30 × 248,624.80
  4. Step 4: Simplify right side
    603,574.90x = 225,013,971,830.64
  5. Step 5: Solve for x
    x = 225,013,971,830.64/603,574.90
  6. Step 6: Final answer
    x = 372,802.07

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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.