Finding the Fourth Proportional to 624,201.60, 936,302.40 and 519,139.20
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Solution
The fourth proportional to 624,201.60, 936,302.40 and 519,139.20 is: 778,708.80
Step by Step Solution
- Step 1: Write the proportion equation
624,201.60 : 936,302.40 = 519,139.20 : x - Step 2: Convert to fraction form
624,201.60/936,302.40 = 519,139.20/x - Step 3: Cross multiply
624,201.60x = 936,302.40 × 519,139.20 - Step 4: Simplify right side
624,201.60x = 486,071,278,894.08 - Step 5: Solve for x
x = 486,071,278,894.08/624,201.60 - Step 6: Final answer
x = 778,708.80
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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.