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Finding the Fourth Proportional to 566,515.36, 780,104.88 and 553,942.24

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Solution

The fourth proportional to 566,515.36, 780,104.88 and 553,942.24 is: 762,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,515.36 : 780,104.88 = 553,942.24 : x
  2. Step 2: Convert to fraction form
    566,515.36/780,104.88 = 553,942.24/x
  3. Step 3: Cross multiply
    566,515.36x = 780,104.88 × 553,942.24
  4. Step 4: Simplify right side
    566,515.36x = 432,133,044,662.13
  5. Step 5: Solve for x
    x = 432,133,044,662.13/566,515.36
  6. Step 6: Final answer
    x = 762,791.40

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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.