Finding the Fourth Proportional to 842,904.90, 1,264,466.70 and 416,658.60
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Solution
The fourth proportional to 842,904.90, 1,264,466.70 and 416,658.60 is: 625,041.95
Step by Step Solution
- Step 1: Write the proportion equation
842,904.90 : 1,264,466.70 = 416,658.60 : x - Step 2: Convert to fraction form
842,904.90/1,264,466.70 = 416,658.60/x - Step 3: Cross multiply
842,904.90x = 1,264,466.70 × 416,658.60 - Step 4: Simplify right side
842,904.90x = 526,850,924,968.62 - Step 5: Solve for x
x = 526,850,924,968.62/842,904.90 - Step 6: Final answer
x = 625,041.95
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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.