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Finding the Fourth Proportional to 446,960.16, 616,805.28 and 245,756.16

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Solution

The fourth proportional to 446,960.16, 616,805.28 and 245,756.16 is: 339,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,960.16 : 616,805.28 = 245,756.16 : x
  2. Step 2: Convert to fraction form
    446,960.16/616,805.28 = 245,756.16/x
  3. Step 3: Cross multiply
    446,960.16x = 616,805.28 × 245,756.16
  4. Step 4: Simplify right side
    446,960.16x = 151,583,697,080.53
  5. Step 5: Solve for x
    x = 151,583,697,080.53/446,960.16
  6. Step 6: Final answer
    x = 339,143.64

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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.