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Finding the Fourth Proportional to 548,731.56, 827,210.16 and 512,153.98

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Solution

The fourth proportional to 548,731.56, 827,210.16 and 512,153.98 is: 772,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,731.56 : 827,210.16 = 512,153.98 : x
  2. Step 2: Convert to fraction form
    548,731.56/827,210.16 = 512,153.98/x
  3. Step 3: Cross multiply
    548,731.56x = 827,210.16 × 512,153.98
  4. Step 4: Simplify right side
    548,731.56x = 423,658,975,740.44
  5. Step 5: Solve for x
    x = 423,658,975,740.44/548,731.56
  6. Step 6: Final answer
    x = 772,069.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.