Finding the Fourth Proportional to 659,029.08, 909,481.65 and 364,682.19
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Solution
The fourth proportional to 659,029.08, 909,481.65 and 364,682.19 is: 503,273.33
Step by Step Solution
- Step 1: Write the proportion equation
659,029.08 : 909,481.65 = 364,682.19 : x - Step 2: Convert to fraction form
659,029.08/909,481.65 = 364,682.19/x - Step 3: Cross multiply
659,029.08x = 909,481.65 × 364,682.19 - Step 4: Simplify right side
659,029.08x = 331,671,759,886.81 - Step 5: Solve for x
x = 331,671,759,886.81/659,029.08 - Step 6: Final answer
x = 503,273.33
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Double scale
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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.