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Finding the Fourth Proportional to 404,582.60, 607,565.10 and 264,960.20

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Solution

The fourth proportional to 404,582.60, 607,565.10 and 264,960.20 is: 397,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,582.60 : 607,565.10 = 264,960.20 : x
  2. Step 2: Convert to fraction form
    404,582.60/607,565.10 = 264,960.20/x
  3. Step 3: Cross multiply
    404,582.60x = 607,565.10 × 264,960.20
  4. Step 4: Simplify right side
    404,582.60x = 160,980,570,409.02
  5. Step 5: Solve for x
    x = 160,980,570,409.02/404,582.60
  6. Step 6: Final answer
    x = 397,892.97

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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.