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Finding the Fourth Proportional to 548,948.70, 823,423.05 and 360,599.40

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Solution

The fourth proportional to 548,948.70, 823,423.05 and 360,599.40 is: 540,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,948.70 : 823,423.05 = 360,599.40 : x
  2. Step 2: Convert to fraction form
    548,948.70/823,423.05 = 360,599.40/x
  3. Step 3: Cross multiply
    548,948.70x = 823,423.05 × 360,599.40
  4. Step 4: Simplify right side
    548,948.70x = 296,925,857,776.17
  5. Step 5: Solve for x
    x = 296,925,857,776.17/548,948.70
  6. Step 6: Final answer
    x = 540,899.10

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Similar ratio
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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.