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Finding the Fourth Proportional to 604,563.71, 906,158.07 and 315,930.33

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Solution

The fourth proportional to 604,563.71, 906,158.07 and 315,930.33 is: 473,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,563.71 : 906,158.07 = 315,930.33 : x
  2. Step 2: Convert to fraction form
    604,563.71/906,158.07 = 315,930.33/x
  3. Step 3: Cross multiply
    604,563.71x = 906,158.07 × 315,930.33
  4. Step 4: Simplify right side
    604,563.71x = 286,282,816,902.52
  5. Step 5: Solve for x
    x = 286,282,816,902.52/604,563.71
  6. Step 6: Final answer
    x = 473,536.23

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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.