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Finding the Fourth Proportional to 604,340.40, 905,526.45 and 444,908.10

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Solution

The fourth proportional to 604,340.40, 905,526.45 and 444,908.10 is: 666,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,340.40 : 905,526.45 = 444,908.10 : x
  2. Step 2: Convert to fraction form
    604,340.40/905,526.45 = 444,908.10/x
  3. Step 3: Cross multiply
    604,340.40x = 905,526.45 × 444,908.10
  4. Step 4: Simplify right side
    604,340.40x = 402,876,052,369.25
  5. Step 5: Solve for x
    x = 402,876,052,369.25/604,340.40
  6. Step 6: Final answer
    x = 666,637.63

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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.