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Finding the Fourth Proportional to 468,609.66, 646,681.38 and 253,749.66

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Solution

The fourth proportional to 468,609.66, 646,681.38 and 253,749.66 is: 350,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,609.66 : 646,681.38 = 253,749.66 : x
  2. Step 2: Convert to fraction form
    468,609.66/646,681.38 = 253,749.66/x
  3. Step 3: Cross multiply
    468,609.66x = 646,681.38 × 253,749.66
  4. Step 4: Simplify right side
    468,609.66x = 164,095,180,303.33
  5. Step 5: Solve for x
    x = 164,095,180,303.33/468,609.66
  6. Step 6: Final answer
    x = 350,174.56

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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.