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Finding the Fourth Proportional to 557,366.64, 769,484.88 and 366,933.60

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Solution

The fourth proportional to 557,366.64, 769,484.88 and 366,933.60 is: 506,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,366.64 : 769,484.88 = 366,933.60 : x
  2. Step 2: Convert to fraction form
    557,366.64/769,484.88 = 366,933.60/x
  3. Step 3: Cross multiply
    557,366.64x = 769,484.88 × 366,933.60
  4. Step 4: Simplify right side
    557,366.64x = 282,349,857,163.97
  5. Step 5: Solve for x
    x = 282,349,857,163.97/557,366.64
  6. Step 6: Final answer
    x = 506,578.32

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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.