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Finding the Fourth Proportional to 358,785,800.60, 503,660,609.80 and 358,785,800.60

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Solution

The fourth proportional to 358,785,800.60, 503,660,609.80 and 358,785,800.60 is: 503,660,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,785,800.60 : 503,660,609.80 = 358,785,800.60 : x
  2. Step 2: Convert to fraction form
    358,785,800.60/503,660,609.80 = 358,785,800.60/x
  3. Step 3: Cross multiply
    358,785,800.60x = 503,660,609.80 × 358,785,800.60
  4. Step 4: Simplify right side
    358,785,800.60x = 180,706,275,117,777,216
  5. Step 5: Solve for x
    x = 180,706,275,117,777,216/358,785,800.60
  6. Step 6: Final answer
    x = 503,660,609.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.