Finding the Fourth Proportional to 409,881.46, 610,701.05 and 386,963.06
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Solution
The fourth proportional to 409,881.46, 610,701.05 and 386,963.06 is: 576,553.88
Step by Step Solution
- Step 1: Write the proportion equation
409,881.46 : 610,701.05 = 386,963.06 : x - Step 2: Convert to fraction form
409,881.46/610,701.05 = 386,963.06/x - Step 3: Cross multiply
409,881.46x = 610,701.05 × 386,963.06 - Step 4: Simplify right side
409,881.46x = 236,318,746,645.15 - Step 5: Solve for x
x = 236,318,746,645.15/409,881.46 - Step 6: Final answer
x = 576,553.88
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.