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Finding the Fourth Proportional to 377,020.79, 520,210.17 and 224,113.04

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Solution

The fourth proportional to 377,020.79, 520,210.17 and 224,113.04 is: 309,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,020.79 : 520,210.17 = 224,113.04 : x
  2. Step 2: Convert to fraction form
    377,020.79/520,210.17 = 224,113.04/x
  3. Step 3: Cross multiply
    377,020.79x = 520,210.17 × 224,113.04
  4. Step 4: Simplify right side
    377,020.79x = 116,585,880,036.57
  5. Step 5: Solve for x
    x = 116,585,880,036.57/377,020.79
  6. Step 6: Final answer
    x = 309,229.32

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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.