Finding the Fourth Proportional to 423,862.74, 584,901.09 and 232,884.18
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Solution
The fourth proportional to 423,862.74, 584,901.09 and 232,884.18 is: 321,363.96
Step by Step Solution
- Step 1: Write the proportion equation
423,862.74 : 584,901.09 = 232,884.18 : x - Step 2: Convert to fraction form
423,862.74/584,901.09 = 232,884.18/x - Step 3: Cross multiply
423,862.74x = 584,901.09 × 232,884.18 - Step 4: Simplify right side
423,862.74x = 136,214,210,725.76 - Step 5: Solve for x
x = 136,214,210,725.76/423,862.74 - Step 6: Final answer
x = 321,363.96
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1.5x scale
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.