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Finding the Fourth Proportional to 562,878.27, 776,908.73 and 347,888.88

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Solution

The fourth proportional to 562,878.27, 776,908.73 and 347,888.88 is: 480,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,878.27 : 776,908.73 = 347,888.88 : x
  2. Step 2: Convert to fraction form
    562,878.27/776,908.73 = 347,888.88/x
  3. Step 3: Cross multiply
    562,878.27x = 776,908.73 × 347,888.88
  4. Step 4: Simplify right side
    562,878.27x = 270,277,907,941.92
  5. Step 5: Solve for x
    x = 270,277,907,941.92/562,878.27
  6. Step 6: Final answer
    x = 480,171.15

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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.