Finding the Fourth Proportional to 1,429,987.37, 2,144,980.36 and 365,029.08
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Solution
The fourth proportional to 1,429,987.37, 2,144,980.36 and 365,029.08 is: 547,543.45
Step by Step Solution
- Step 1: Write the proportion equation
1,429,987.37 : 2,144,980.36 = 365,029.08 : x - Step 2: Convert to fraction form
1,429,987.37/2,144,980.36 = 365,029.08/x - Step 3: Cross multiply
1,429,987.37x = 2,144,980.36 × 365,029.08 - Step 4: Simplify right side
1,429,987.37x = 782,980,212,933.64 - Step 5: Solve for x
x = 782,980,212,933.64/1,429,987.37 - Step 6: Final answer
x = 547,543.45
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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.