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Finding the Fourth Proportional to 605,303.40, 907,736.40 and 245,323.20

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Solution

The fourth proportional to 605,303.40, 907,736.40 and 245,323.20 is: 367,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,303.40 : 907,736.40 = 245,323.20 : x
  2. Step 2: Convert to fraction form
    605,303.40/907,736.40 = 245,323.20/x
  3. Step 3: Cross multiply
    605,303.40x = 907,736.40 × 245,323.20
  4. Step 4: Simplify right side
    605,303.40x = 222,688,798,404.48
  5. Step 5: Solve for x
    x = 222,688,798,404.48/605,303.40
  6. Step 6: Final answer
    x = 367,896.16

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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.