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Finding the Fourth Proportional to 354,937.10, 532,405.65 and 329,276.30

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Solution

The fourth proportional to 354,937.10, 532,405.65 and 329,276.30 is: 493,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,937.10 : 532,405.65 = 329,276.30 : x
  2. Step 2: Convert to fraction form
    354,937.10/532,405.65 = 329,276.30/x
  3. Step 3: Cross multiply
    354,937.10x = 532,405.65 × 329,276.30
  4. Step 4: Simplify right side
    354,937.10x = 175,308,562,531.10
  5. Step 5: Solve for x
    x = 175,308,562,531.10/354,937.10
  6. Step 6: Final answer
    x = 493,914.45

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1.5x scale

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.