Finding the Fourth Proportional to 466,484.33, 643,946.99 and 313,611.18
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Solution
The fourth proportional to 466,484.33, 643,946.99 and 313,611.18 is: 432,916.96
Step by Step Solution
- Step 1: Write the proportion equation
466,484.33 : 643,946.99 = 313,611.18 : x - Step 2: Convert to fraction form
466,484.33/643,946.99 = 313,611.18/x - Step 3: Cross multiply
466,484.33x = 643,946.99 × 313,611.18 - Step 4: Simplify right side
466,484.33x = 201,948,973,823.29 - Step 5: Solve for x
x = 201,948,973,823.29/466,484.33 - Step 6: Final answer
x = 432,916.96
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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.