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Finding the Fourth Proportional to 804,577.90, 1,207,028.85 and 235,957.90

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Solution

The fourth proportional to 804,577.90, 1,207,028.85 and 235,957.90 is: 353,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,577.90 : 1,207,028.85 = 235,957.90 : x
  2. Step 2: Convert to fraction form
    804,577.90/1,207,028.85 = 235,957.90/x
  3. Step 3: Cross multiply
    804,577.90x = 1,207,028.85 × 235,957.90
  4. Step 4: Simplify right side
    804,577.90x = 284,807,992,685.42
  5. Step 5: Solve for x
    x = 284,807,992,685.42/804,577.90
  6. Step 6: Final answer
    x = 353,984.36

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1.5x scale

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.