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Finding the Fourth Proportional to 636,246.60, 954,369.90 and 352,811.40

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Solution

The fourth proportional to 636,246.60, 954,369.90 and 352,811.40 is: 529,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,246.60 : 954,369.90 = 352,811.40 : x
  2. Step 2: Convert to fraction form
    636,246.60/954,369.90 = 352,811.40/x
  3. Step 3: Cross multiply
    636,246.60x = 954,369.90 × 352,811.40
  4. Step 4: Simplify right side
    636,246.60x = 336,712,580,536.86
  5. Step 5: Solve for x
    x = 336,712,580,536.86/636,246.60
  6. Step 6: Final answer
    x = 529,217.10

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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.