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Finding the Fourth Proportional to 552,553.40, 828,830.10 and 548,616.80

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Solution

The fourth proportional to 552,553.40, 828,830.10 and 548,616.80 is: 822,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,553.40 : 828,830.10 = 548,616.80 : x
  2. Step 2: Convert to fraction form
    552,553.40/828,830.10 = 548,616.80/x
  3. Step 3: Cross multiply
    552,553.40x = 828,830.10 × 548,616.80
  4. Step 4: Simplify right side
    552,553.40x = 454,710,117,205.68
  5. Step 5: Solve for x
    x = 454,710,117,205.68/552,553.40
  6. Step 6: Final answer
    x = 822,925.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.