Finding the Fourth Proportional to 707,223.75, 1,061,030.39 and 208,587.75
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Solution
The fourth proportional to 707,223.75, 1,061,030.39 and 208,587.75 is: 312,939.07
Step by Step Solution
- Step 1: Write the proportion equation
707,223.75 : 1,061,030.39 = 208,587.75 : x - Step 2: Convert to fraction form
707,223.75/1,061,030.39 = 208,587.75/x - Step 3: Cross multiply
707,223.75x = 1,061,030.39 × 208,587.75 - Step 4: Simplify right side
707,223.75x = 221,317,940,688.78 - Step 5: Solve for x
x = 221,317,940,688.78/707,223.75 - Step 6: Final answer
x = 312,939.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.