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Finding the Fourth Proportional to 360,013.70, 540,020.55 and 194,125.70

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Solution

The fourth proportional to 360,013.70, 540,020.55 and 194,125.70 is: 291,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,013.70 : 540,020.55 = 194,125.70 : x
  2. Step 2: Convert to fraction form
    360,013.70/540,020.55 = 194,125.70/x
  3. Step 3: Cross multiply
    360,013.70x = 540,020.55 × 194,125.70
  4. Step 4: Simplify right side
    360,013.70x = 104,831,867,283.14
  5. Step 5: Solve for x
    x = 104,831,867,283.14/360,013.70
  6. Step 6: Final answer
    x = 291,188.55

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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.