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Finding the Fourth Proportional to 836,668.52, 1,154,611.56 and 454,695.40

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Solution

The fourth proportional to 836,668.52, 1,154,611.56 and 454,695.40 is: 627,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,668.52 : 1,154,611.56 = 454,695.40 : x
  2. Step 2: Convert to fraction form
    836,668.52/1,154,611.56 = 454,695.40/x
  3. Step 3: Cross multiply
    836,668.52x = 1,154,611.56 × 454,695.40
  4. Step 4: Simplify right side
    836,668.52x = 524,996,565,118.82
  5. Step 5: Solve for x
    x = 524,996,565,118.82/836,668.52
  6. Step 6: Final answer
    x = 627,484.54

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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.