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Finding the Fourth Proportional to 365,471.80, 548,207.70 and 349,725.40

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Solution

The fourth proportional to 365,471.80, 548,207.70 and 349,725.40 is: 524,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,471.80 : 548,207.70 = 349,725.40 : x
  2. Step 2: Convert to fraction form
    365,471.80/548,207.70 = 349,725.40/x
  3. Step 3: Cross multiply
    365,471.80x = 548,207.70 × 349,725.40
  4. Step 4: Simplify right side
    365,471.80x = 191,722,157,165.58
  5. Step 5: Solve for x
    x = 191,722,157,165.58/365,471.80
  6. Step 6: Final answer
    x = 524,588.10

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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.