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Finding the Fourth Proportional to 434,898.04, 651,717.48 and 299,823.48

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Solution

The fourth proportional to 434,898.04, 651,717.48 and 299,823.48 is: 449,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,898.04 : 651,717.48 = 299,823.48 : x
  2. Step 2: Convert to fraction form
    434,898.04/651,717.48 = 299,823.48/x
  3. Step 3: Cross multiply
    434,898.04x = 651,717.48 × 299,823.48
  4. Step 4: Simplify right side
    434,898.04x = 195,400,202,830.43
  5. Step 5: Solve for x
    x = 195,400,202,830.43/434,898.04
  6. Step 6: Final answer
    x = 449,301.18

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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.