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Finding the Fourth Proportional to 604,446.90, 906,411.15 and 304,811.70

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Solution

The fourth proportional to 604,446.90, 906,411.15 and 304,811.70 is: 457,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,446.90 : 906,411.15 = 304,811.70 : x
  2. Step 2: Convert to fraction form
    604,446.90/906,411.15 = 304,811.70/x
  3. Step 3: Cross multiply
    604,446.90x = 906,411.15 × 304,811.70
  4. Step 4: Simplify right side
    604,446.90x = 276,284,723,530.46
  5. Step 5: Solve for x
    x = 276,284,723,530.46/604,446.90
  6. Step 6: Final answer
    x = 457,086.84

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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.