Finding the Fourth Proportional to 610,124.13, 842,011.83 and 338,203.49
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Solution
The fourth proportional to 610,124.13, 842,011.83 and 338,203.49 is: 466,743.28
Step by Step Solution
- Step 1: Write the proportion equation
610,124.13 : 842,011.83 = 338,203.49 : x - Step 2: Convert to fraction form
610,124.13/842,011.83 = 338,203.49/x - Step 3: Cross multiply
610,124.13x = 842,011.83 × 338,203.49 - Step 4: Simplify right side
610,124.13x = 284,771,335,317.23 - Step 5: Solve for x
x = 284,771,335,317.23/610,124.13 - Step 6: Final answer
x = 466,743.28
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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.