Finding the Fourth Proportional to 474,996.19, 655,480.06 and 260,130.73
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Solution
The fourth proportional to 474,996.19, 655,480.06 and 260,130.73 is: 358,972.37
Step by Step Solution
- Step 1: Write the proportion equation
474,996.19 : 655,480.06 = 260,130.73 : x - Step 2: Convert to fraction form
474,996.19/655,480.06 = 260,130.73/x - Step 3: Cross multiply
474,996.19x = 655,480.06 × 260,130.73 - Step 4: Simplify right side
474,996.19x = 170,510,506,508.24 - Step 5: Solve for x
x = 170,510,506,508.24/474,996.19 - Step 6: Final answer
x = 358,972.37
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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.