Finding the Fourth Proportional to 878,438.16, 1,317,746.88 and 238,752
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Solution
The fourth proportional to 878,438.16, 1,317,746.88 and 238,752 is: 358,152.36
Step by Step Solution
- Step 1: Write the proportion equation
878,438.16 : 1,317,746.88 = 238,752 : x - Step 2: Convert to fraction form
878,438.16/1,317,746.88 = 238,752/x - Step 3: Cross multiply
878,438.16x = 1,317,746.88 × 238,752 - Step 4: Simplify right side
878,438.16x = 314,614,703,093.76 - Step 5: Solve for x
x = 314,614,703,093.76/878,438.16 - Step 6: Final answer
x = 358,152.36
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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.