Finding the Fourth Proportional to 537,293.36, 741,962.76 and 346,634.48
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Solution
The fourth proportional to 537,293.36, 741,962.76 and 346,634.48 is: 478,676.82
Step by Step Solution
- Step 1: Write the proportion equation
537,293.36 : 741,962.76 = 346,634.48 : x - Step 2: Convert to fraction form
537,293.36/741,962.76 = 346,634.48/x - Step 3: Cross multiply
537,293.36x = 741,962.76 × 346,634.48 - Step 4: Simplify right side
537,293.36x = 257,189,875,491.97 - Step 5: Solve for x
x = 257,189,875,491.97/537,293.36 - Step 6: Final answer
x = 478,676.82
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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.