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Finding the Fourth Proportional to 354,276.04, 530,960.40 and 194,349.64

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Solution

The fourth proportional to 354,276.04, 530,960.40 and 194,349.64 is: 291,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,276.04 : 530,960.40 = 194,349.64 : x
  2. Step 2: Convert to fraction form
    354,276.04/530,960.40 = 194,349.64/x
  3. Step 3: Cross multiply
    354,276.04x = 530,960.40 × 194,349.64
  4. Step 4: Simplify right side
    354,276.04x = 103,191,962,594.26
  5. Step 5: Solve for x
    x = 103,191,962,594.26/354,276.04
  6. Step 6: Final answer
    x = 291,275.59

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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.