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Finding the Fourth Proportional to 545,164.20, 817,746.30 and 334,920.60

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Solution

The fourth proportional to 545,164.20, 817,746.30 and 334,920.60 is: 502,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,164.20 : 817,746.30 = 334,920.60 : x
  2. Step 2: Convert to fraction form
    545,164.20/817,746.30 = 334,920.60/x
  3. Step 3: Cross multiply
    545,164.20x = 817,746.30 × 334,920.60
  4. Step 4: Simplify right side
    545,164.20x = 273,880,081,443.78
  5. Step 5: Solve for x
    x = 273,880,081,443.78/545,164.20
  6. Step 6: Final answer
    x = 502,380.90

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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.