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Finding the Fourth Proportional to 452,532.48, 675,490.56 and 419,639.04

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Solution

The fourth proportional to 452,532.48, 675,490.56 and 419,639.04 is: 626,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,532.48 : 675,490.56 = 419,639.04 : x
  2. Step 2: Convert to fraction form
    452,532.48/675,490.56 = 419,639.04/x
  3. Step 3: Cross multiply
    452,532.48x = 675,490.56 × 419,639.04
  4. Step 4: Simplify right side
    452,532.48x = 283,462,210,127.46
  5. Step 5: Solve for x
    x = 283,462,210,127.46/452,532.48
  6. Step 6: Final answer
    x = 626,390.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.