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Finding the Fourth Proportional to 653,593.80, 980,196.30 and 254,004.60

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Solution

The fourth proportional to 653,593.80, 980,196.30 and 254,004.60 is: 380,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,593.80 : 980,196.30 = 254,004.60 : x
  2. Step 2: Convert to fraction form
    653,593.80/980,196.30 = 254,004.60/x
  3. Step 3: Cross multiply
    653,593.80x = 980,196.30 × 254,004.60
  4. Step 4: Simplify right side
    653,593.80x = 248,974,369,102.98
  5. Step 5: Solve for x
    x = 248,974,369,102.98/653,593.80
  6. Step 6: Final answer
    x = 380,931.35

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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.