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Finding the Fourth Proportional to 468,695.23, 705,038.48 and 424,851.41

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Solution

The fourth proportional to 468,695.23, 705,038.48 and 424,851.41 is: 639,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,695.23 : 705,038.48 = 424,851.41 : x
  2. Step 2: Convert to fraction form
    468,695.23/705,038.48 = 424,851.41/x
  3. Step 3: Cross multiply
    468,695.23x = 705,038.48 × 424,851.41
  4. Step 4: Simplify right side
    468,695.23x = 299,536,593,563.79
  5. Step 5: Solve for x
    x = 299,536,593,563.79/468,695.23
  6. Step 6: Final answer
    x = 639,086.08

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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.