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Finding the Fourth Proportional to 611,950.41, 844,219.87 and 407,802.47

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Solution

The fourth proportional to 611,950.41, 844,219.87 and 407,802.47 is: 562,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,950.41 : 844,219.87 = 407,802.47 : x
  2. Step 2: Convert to fraction form
    611,950.41/844,219.87 = 407,802.47/x
  3. Step 3: Cross multiply
    611,950.41x = 844,219.87 × 407,802.47
  4. Step 4: Simplify right side
    611,950.41x = 344,274,942,968.47
  5. Step 5: Solve for x
    x = 344,274,942,968.47/611,950.41
  6. Step 6: Final answer
    x = 562,586.34

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1.5x scale

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.