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Finding the Fourth Proportional to 495,944.40, 743,945.40 and 140,984.40

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Solution

The fourth proportional to 495,944.40, 743,945.40 and 140,984.40 is: 211,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,944.40 : 743,945.40 = 140,984.40 : x
  2. Step 2: Convert to fraction form
    495,944.40/743,945.40 = 140,984.40/x
  3. Step 3: Cross multiply
    495,944.40x = 743,945.40 × 140,984.40
  4. Step 4: Simplify right side
    495,944.40x = 104,884,695,851.76
  5. Step 5: Solve for x
    x = 104,884,695,851.76/495,944.40
  6. Step 6: Final answer
    x = 211,484.79

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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.