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Finding the Fourth Proportional to 446,765.76, 616,541.58 and 242,816.58

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Solution

The fourth proportional to 446,765.76, 616,541.58 and 242,816.58 is: 335,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,765.76 : 616,541.58 = 242,816.58 : x
  2. Step 2: Convert to fraction form
    446,765.76/616,541.58 = 242,816.58/x
  3. Step 3: Cross multiply
    446,765.76x = 616,541.58 × 242,816.58
  4. Step 4: Simplify right side
    446,765.76x = 149,706,517,883.40
  5. Step 5: Solve for x
    x = 149,706,517,883.40/446,765.76
  6. Step 6: Final answer
    x = 335,089.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.