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Finding the Fourth Proportional to 468,194.47, 646,106.29 and 253,338.33

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Solution

The fourth proportional to 468,194.47, 646,106.29 and 253,338.33 is: 349,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,194.47 : 646,106.29 = 253,338.33 : x
  2. Step 2: Convert to fraction form
    468,194.47/646,106.29 = 253,338.33/x
  3. Step 3: Cross multiply
    468,194.47x = 646,106.29 × 253,338.33
  4. Step 4: Simplify right side
    468,194.47x = 163,683,488,511.10
  5. Step 5: Solve for x
    x = 163,683,488,511.10/468,194.47
  6. Step 6: Final answer
    x = 349,605.77

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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.