Finding the Fourth Proportional to 623,868.60, 935,968.68 and 197,412.00
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Solution
The fourth proportional to 623,868.60, 935,968.68 and 197,412.00 is: 296,170.45
Step by Step Solution
- Step 1: Write the proportion equation
623,868.60 : 935,968.68 = 197,412.00 : x - Step 2: Convert to fraction form
623,868.60/935,968.68 = 197,412.00/x - Step 3: Cross multiply
623,868.60x = 935,968.68 × 197,412.00 - Step 4: Simplify right side
623,868.60x = 184,771,444,376.32 - Step 5: Solve for x
x = 184,771,444,376.32/623,868.60 - Step 6: Final answer
x = 296,170.45
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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.