Finding the Fourth Proportional to 531,703.71, 797,551.45 and 132,341.79
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Solution
The fourth proportional to 531,703.71, 797,551.45 and 132,341.79 is: 198,511.66
Step by Step Solution
- Step 1: Write the proportion equation
531,703.71 : 797,551.45 = 132,341.79 : x - Step 2: Convert to fraction form
531,703.71/797,551.45 = 132,341.79/x - Step 3: Cross multiply
531,703.71x = 797,551.45 × 132,341.79 - Step 4: Simplify right side
531,703.71x = 105,549,386,510.10 - Step 5: Solve for x
x = 105,549,386,510.10/531,703.71 - Step 6: Final answer
x = 198,511.66
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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.