Finding the Fourth Proportional to 566,841.74, 782,239.56 and 312,192.32
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Solution
The fourth proportional to 566,841.74, 782,239.56 and 312,192.32 is: 430,824.28
Step by Step Solution
- Step 1: Write the proportion equation
566,841.74 : 782,239.56 = 312,192.32 : x - Step 2: Convert to fraction form
566,841.74/782,239.56 = 312,192.32/x - Step 3: Cross multiply
566,841.74x = 782,239.56 × 312,192.32 - Step 4: Simplify right side
566,841.74x = 244,209,183,032.18 - Step 5: Solve for x
x = 244,209,183,032.18/566,841.74 - Step 6: Final answer
x = 430,824.28
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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.