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Finding the Fourth Proportional to 332,074.24, 495,746.72 and 320,410.24

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Solution

The fourth proportional to 332,074.24, 495,746.72 and 320,410.24 is: 478,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,074.24 : 495,746.72 = 320,410.24 : x
  2. Step 2: Convert to fraction form
    332,074.24/495,746.72 = 320,410.24/x
  3. Step 3: Cross multiply
    332,074.24x = 495,746.72 × 320,410.24
  4. Step 4: Simplify right side
    332,074.24x = 158,842,325,534.41
  5. Step 5: Solve for x
    x = 158,842,325,534.41/332,074.24
  6. Step 6: Final answer
    x = 478,333.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.