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Finding the Fourth Proportional to 442,088.43, 609,014.48 and 365,287.47

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Solution

The fourth proportional to 442,088.43, 609,014.48 and 365,287.47 is: 503,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,088.43 : 609,014.48 = 365,287.47 : x
  2. Step 2: Convert to fraction form
    442,088.43/609,014.48 = 365,287.47/x
  3. Step 3: Cross multiply
    442,088.43x = 609,014.48 × 365,287.47
  4. Step 4: Simplify right side
    442,088.43x = 222,465,356,766.13
  5. Step 5: Solve for x
    x = 222,465,356,766.13/442,088.43
  6. Step 6: Final answer
    x = 503,214.61

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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.