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Finding the Fourth Proportional to 562,393.06, 776,100.26 and 304,269.19

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Solution

The fourth proportional to 562,393.06, 776,100.26 and 304,269.19 is: 419,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,393.06 : 776,100.26 = 304,269.19 : x
  2. Step 2: Convert to fraction form
    562,393.06/776,100.26 = 304,269.19/x
  3. Step 3: Cross multiply
    562,393.06x = 776,100.26 × 304,269.19
  4. Step 4: Simplify right side
    562,393.06x = 236,143,396,289.41
  5. Step 5: Solve for x
    x = 236,143,396,289.41/562,393.06
  6. Step 6: Final answer
    x = 419,890.31

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Half scale
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Double scale
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Similar ratio
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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.