Finding the Fourth Proportional to 772,263.98, 1,158,447.82 and 211,303.34
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Solution
The fourth proportional to 772,263.98, 1,158,447.82 and 211,303.34 is: 316,969.20
Step by Step Solution
- Step 1: Write the proportion equation
772,263.98 : 1,158,447.82 = 211,303.34 : x - Step 2: Convert to fraction form
772,263.98/1,158,447.82 = 211,303.34/x - Step 3: Cross multiply
772,263.98x = 1,158,447.82 × 211,303.34 - Step 4: Simplify right side
772,263.98x = 244,783,893,581.72 - Step 5: Solve for x
x = 244,783,893,581.72/772,263.98 - Step 6: Final answer
x = 316,969.20
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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.