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Finding the Fourth Proportional to 377,104.68, 520,403.94 and 216,011.88

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Solution

The fourth proportional to 377,104.68, 520,403.94 and 216,011.88 is: 298,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,104.68 : 520,403.94 = 216,011.88 : x
  2. Step 2: Convert to fraction form
    377,104.68/520,403.94 = 216,011.88/x
  3. Step 3: Cross multiply
    377,104.68x = 520,403.94 × 216,011.88
  4. Step 4: Simplify right side
    377,104.68x = 112,413,433,438.81
  5. Step 5: Solve for x
    x = 112,413,433,438.81/377,104.68
  6. Step 6: Final answer
    x = 298,096.10

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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.