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Finding the Fourth Proportional to 363,410.80, 544,079.40 and 223,442.80

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Solution

The fourth proportional to 363,410.80, 544,079.40 and 223,442.80 is: 334,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,410.80 : 544,079.40 = 223,442.80 : x
  2. Step 2: Convert to fraction form
    363,410.80/544,079.40 = 223,442.80/x
  3. Step 3: Cross multiply
    363,410.80x = 544,079.40 × 223,442.80
  4. Step 4: Simplify right side
    363,410.80x = 121,570,624,558.32
  5. Step 5: Solve for x
    x = 121,570,624,558.32/363,410.80
  6. Step 6: Final answer
    x = 334,526.72

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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.