Finding the Fourth Proportional to 915,972.35, 1,374,017.33 and 242,036.43
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Solution
The fourth proportional to 915,972.35, 1,374,017.33 and 242,036.43 is: 363,070.18
Step by Step Solution
- Step 1: Write the proportion equation
915,972.35 : 1,374,017.33 = 242,036.43 : x - Step 2: Convert to fraction form
915,972.35/1,374,017.33 = 242,036.43/x - Step 3: Cross multiply
915,972.35x = 1,374,017.33 × 242,036.43 - Step 4: Simplify right side
915,972.35x = 332,562,244,763.86 - Step 5: Solve for x
x = 332,562,244,763.86/915,972.35 - Step 6: Final answer
x = 363,070.18
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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.