Finding the Fourth Proportional to 608,949.70, 912,646.95 and 468,009.70
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Solution
The fourth proportional to 608,949.70, 912,646.95 and 468,009.70 is: 701,416.92
Step by Step Solution
- Step 1: Write the proportion equation
608,949.70 : 912,646.95 = 468,009.70 : x - Step 2: Convert to fraction form
608,949.70/912,646.95 = 468,009.70/x - Step 3: Cross multiply
608,949.70x = 912,646.95 × 468,009.70 - Step 4: Simplify right side
608,949.70x = 427,127,625,275.42 - Step 5: Solve for x
x = 427,127,625,275.42/608,949.70 - Step 6: Final answer
x = 701,416.92
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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.