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Finding the Fourth Proportional to 468,461.66, 646,477.30 and 253,601.72

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Solution

The fourth proportional to 468,461.66, 646,477.30 and 253,601.72 is: 349,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,461.66 : 646,477.30 = 253,601.72 : x
  2. Step 2: Convert to fraction form
    468,461.66/646,477.30 = 253,601.72/x
  3. Step 3: Cross multiply
    468,461.66x = 646,477.30 × 253,601.72
  4. Step 4: Simplify right side
    468,461.66x = 163,947,754,729.86
  5. Step 5: Solve for x
    x = 163,947,754,729.86/468,461.66
  6. Step 6: Final answer
    x = 349,970.49

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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.