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Finding the Fourth Proportional to 356,278.40, 534,417.60 and 332,777.60

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Solution

The fourth proportional to 356,278.40, 534,417.60 and 332,777.60 is: 499,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,278.40 : 534,417.60 = 332,777.60 : x
  2. Step 2: Convert to fraction form
    356,278.40/534,417.60 = 332,777.60/x
  3. Step 3: Cross multiply
    356,278.40x = 534,417.60 × 332,777.60
  4. Step 4: Simplify right side
    356,278.40x = 177,842,206,325.76
  5. Step 5: Solve for x
    x = 177,842,206,325.76/356,278.40
  6. Step 6: Final answer
    x = 499,166.40

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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.