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Finding the Fourth Proportional to 468,366.63, 646,345.44 and 253,506.35

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Solution

The fourth proportional to 468,366.63, 646,345.44 and 253,506.35 is: 349,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,366.63 : 646,345.44 = 253,506.35 : x
  2. Step 2: Convert to fraction form
    468,366.63/646,345.44 = 253,506.35/x
  3. Step 3: Cross multiply
    468,366.63x = 646,345.44 × 253,506.35
  4. Step 4: Simplify right side
    468,366.63x = 163,852,670,101.82
  5. Step 5: Solve for x
    x = 163,852,670,101.82/468,366.63
  6. Step 6: Final answer
    x = 349,838.48

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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.