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Finding the Fourth Proportional to 604,673.40, 907,106.10 and 205,351.80

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Solution

The fourth proportional to 604,673.40, 907,106.10 and 205,351.80 is: 308,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,673.40 : 907,106.10 = 205,351.80 : x
  2. Step 2: Convert to fraction form
    604,673.40/907,106.10 = 205,351.80/x
  3. Step 3: Cross multiply
    604,673.40x = 907,106.10 × 205,351.80
  4. Step 4: Simplify right side
    604,673.40x = 186,275,870,425.98
  5. Step 5: Solve for x
    x = 186,275,870,425.98/604,673.40
  6. Step 6: Final answer
    x = 308,060.30

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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.