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Finding the Fourth Proportional to 603,287.66, 905,048.16 and 229,281.50

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Solution

The fourth proportional to 603,287.66, 905,048.16 and 229,281.50 is: 343,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,287.66 : 905,048.16 = 229,281.50 : x
  2. Step 2: Convert to fraction form
    603,287.66/905,048.16 = 229,281.50/x
  3. Step 3: Cross multiply
    603,287.66x = 905,048.16 × 229,281.50
  4. Step 4: Simplify right side
    603,287.66x = 207,510,799,697.04
  5. Step 5: Solve for x
    x = 207,510,799,697.04/603,287.66
  6. Step 6: Final answer
    x = 343,966.59

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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.