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Finding the Fourth Proportional to 604,316.90, 905,491.20 and 444,884.60

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Solution

The fourth proportional to 604,316.90, 905,491.20 and 444,884.60 is: 666,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,316.90 : 905,491.20 = 444,884.60 : x
  2. Step 2: Convert to fraction form
    604,316.90/905,491.20 = 444,884.60/x
  3. Step 3: Cross multiply
    604,316.90x = 905,491.20 × 444,884.60
  4. Step 4: Simplify right side
    604,316.90x = 402,839,090,315.52
  5. Step 5: Solve for x
    x = 402,839,090,315.52/604,316.90
  6. Step 6: Final answer
    x = 666,602.39

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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.