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Finding the Fourth Proportional to 468,300.36, 646,254.54 and 253,441.98

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Solution

The fourth proportional to 468,300.36, 646,254.54 and 253,441.98 is: 349,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,300.36 : 646,254.54 = 253,441.98 : x
  2. Step 2: Convert to fraction form
    468,300.36/646,254.54 = 253,441.98/x
  3. Step 3: Cross multiply
    468,300.36x = 646,254.54 × 253,441.98
  4. Step 4: Simplify right side
    468,300.36x = 163,788,030,201.59
  5. Step 5: Solve for x
    x = 163,788,030,201.59/468,300.36
  6. Step 6: Final answer
    x = 349,749.96

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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.