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Finding the Fourth Proportional to 438,673.24, 605,368.32 and 237,469.24

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Solution

The fourth proportional to 438,673.24, 605,368.32 and 237,469.24 is: 327,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,673.24 : 605,368.32 = 237,469.24 : x
  2. Step 2: Convert to fraction form
    438,673.24/605,368.32 = 237,469.24/x
  3. Step 3: Cross multiply
    438,673.24x = 605,368.32 × 237,469.24
  4. Step 4: Simplify right side
    438,673.24x = 143,756,354,870.48
  5. Step 5: Solve for x
    x = 143,756,354,870.48/438,673.24
  6. Step 6: Final answer
    x = 327,707.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.