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Finding the Fourth Proportional to 360,554.84, 540,450.92 and 135,818.04

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Solution

The fourth proportional to 360,554.84, 540,450.92 and 135,818.04 is: 203,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,554.84 : 540,450.92 = 135,818.04 : x
  2. Step 2: Convert to fraction form
    360,554.84/540,450.92 = 135,818.04/x
  3. Step 3: Cross multiply
    360,554.84x = 540,450.92 × 135,818.04
  4. Step 4: Simplify right side
    360,554.84x = 73,402,984,670.60
  5. Step 5: Solve for x
    x = 73,402,984,670.60/360,554.84
  6. Step 6: Final answer
    x = 203,583.41

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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.