Finding the Fourth Proportional to 917,198.64, 1,374,748.20 and 355,752
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Solution
The fourth proportional to 917,198.64, 1,374,748.20 and 355,752 is: 533,220.83
Step by Step Solution
- Step 1: Write the proportion equation
917,198.64 : 1,374,748.20 = 355,752 : x - Step 2: Convert to fraction form
917,198.64/1,374,748.20 = 355,752/x - Step 3: Cross multiply
917,198.64x = 1,374,748.20 × 355,752 - Step 4: Simplify right side
917,198.64x = 489,069,421,646.40 - Step 5: Solve for x
x = 489,069,421,646.40/917,198.64 - Step 6: Final answer
x = 533,220.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.