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Finding the Fourth Proportional to 603,900.40, 907,600.20 and 593,402.80

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Solution

The fourth proportional to 603,900.40, 907,600.20 and 593,402.80 is: 891,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,900.40 : 907,600.20 = 593,402.80 : x
  2. Step 2: Convert to fraction form
    603,900.40/907,600.20 = 593,402.80/x
  3. Step 3: Cross multiply
    603,900.40x = 907,600.20 × 593,402.80
  4. Step 4: Simplify right side
    603,900.40x = 538,572,499,960.56
  5. Step 5: Solve for x
    x = 538,572,499,960.56/603,900.40
  6. Step 6: Final answer
    x = 891,823.39

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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.