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Finding the Fourth Proportional to 358,210.28, 537,403.21 and 294,276.48

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Solution

The fourth proportional to 358,210.28, 537,403.21 and 294,276.48 is: 441,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,210.28 : 537,403.21 = 294,276.48 : x
  2. Step 2: Convert to fraction form
    358,210.28/537,403.21 = 294,276.48/x
  3. Step 3: Cross multiply
    358,210.28x = 537,403.21 × 294,276.48
  4. Step 4: Simplify right side
    358,210.28x = 158,145,122,228.55
  5. Step 5: Solve for x
    x = 158,145,122,228.55/358,210.28
  6. Step 6: Final answer
    x = 441,486.83

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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.