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Finding the Fourth Proportional to 446,756.25, 616,527.72 and 242,807.72

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Solution

The fourth proportional to 446,756.25, 616,527.72 and 242,807.72 is: 335,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,756.25 : 616,527.72 = 242,807.72 : x
  2. Step 2: Convert to fraction form
    446,756.25/616,527.72 = 242,807.72/x
  3. Step 3: Cross multiply
    446,756.25x = 616,527.72 × 242,807.72
  4. Step 4: Simplify right side
    446,756.25x = 149,697,690,010.00
  5. Step 5: Solve for x
    x = 149,697,690,010.00/446,756.25
  6. Step 6: Final answer
    x = 335,076.88

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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.