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Finding the Fourth Proportional to 404,191.50, 606,284.82 and 104,671.32

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Solution

The fourth proportional to 404,191.50, 606,284.82 and 104,671.32 is: 157,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,191.50 : 606,284.82 = 104,671.32 : x
  2. Step 2: Convert to fraction form
    404,191.50/606,284.82 = 104,671.32/x
  3. Step 3: Cross multiply
    404,191.50x = 606,284.82 × 104,671.32
  4. Step 4: Simplify right side
    404,191.50x = 63,460,632,405.36
  5. Step 5: Solve for x
    x = 63,460,632,405.36/404,191.50
  6. Step 6: Final answer
    x = 157,006.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.