Finding the Fourth Proportional to 353,206.08, 487,178.64 and 232,309.44
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Solution
The fourth proportional to 353,206.08, 487,178.64 and 232,309.44 is: 320,425.39
Step by Step Solution
- Step 1: Write the proportion equation
353,206.08 : 487,178.64 = 232,309.44 : x - Step 2: Convert to fraction form
353,206.08/487,178.64 = 232,309.44/x - Step 3: Cross multiply
353,206.08x = 487,178.64 × 232,309.44 - Step 4: Simplify right side
353,206.08x = 113,176,197,038.36 - Step 5: Solve for x
x = 113,176,197,038.36/353,206.08 - Step 6: Final answer
x = 320,425.39
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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.