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Finding the Fourth Proportional to 623,753.93, 860,791.62 and 365,816.91

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Solution

The fourth proportional to 623,753.93, 860,791.62 and 365,816.91 is: 504,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,753.93 : 860,791.62 = 365,816.91 : x
  2. Step 2: Convert to fraction form
    623,753.93/860,791.62 = 365,816.91/x
  3. Step 3: Cross multiply
    623,753.93x = 860,791.62 × 365,816.91
  4. Step 4: Simplify right side
    623,753.93x = 314,892,130,582.29
  5. Step 5: Solve for x
    x = 314,892,130,582.29/623,753.93
  6. Step 6: Final answer
    x = 504,833.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.