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Finding the Fourth Proportional to 360,555.60, 540,833.40 and 303,474.90

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Solution

The fourth proportional to 360,555.60, 540,833.40 and 303,474.90 is: 455,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,555.60 : 540,833.40 = 303,474.90 : x
  2. Step 2: Convert to fraction form
    360,555.60/540,833.40 = 303,474.90/x
  3. Step 3: Cross multiply
    360,555.60x = 540,833.40 × 303,474.90
  4. Step 4: Simplify right side
    360,555.60x = 164,129,361,981.66
  5. Step 5: Solve for x
    x = 164,129,361,981.66/360,555.60
  6. Step 6: Final answer
    x = 455,212.35

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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.