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Finding the Fourth Proportional to 884,489.64, 1,326,727.16 and 253,404.06

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Solution

The fourth proportional to 884,489.64, 1,326,727.16 and 253,404.06 is: 380,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,489.64 : 1,326,727.16 = 253,404.06 : x
  2. Step 2: Convert to fraction form
    884,489.64/1,326,727.16 = 253,404.06/x
  3. Step 3: Cross multiply
    884,489.64x = 1,326,727.16 × 253,404.06
  4. Step 4: Simplify right side
    884,489.64x = 336,198,044,831.31
  5. Step 5: Solve for x
    x = 336,198,044,831.31/884,489.64
  6. Step 6: Final answer
    x = 380,104.00

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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.