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Finding the Fourth Proportional to 489,173.40, 674,483.04 and 452,898.36

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Solution

The fourth proportional to 489,173.40, 674,483.04 and 452,898.36 is: 624,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,173.40 : 674,483.04 = 452,898.36 : x
  2. Step 2: Convert to fraction form
    489,173.40/674,483.04 = 452,898.36/x
  3. Step 3: Cross multiply
    489,173.40x = 674,483.04 × 452,898.36
  4. Step 4: Simplify right side
    489,173.40x = 305,472,262,663.81
  5. Step 5: Solve for x
    x = 305,472,262,663.81/489,173.40
  6. Step 6: Final answer
    x = 624,466.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.