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Finding the Fourth Proportional to 603,899.40, 907,598.70 and 593,401.80

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Solution

The fourth proportional to 603,899.40, 907,598.70 and 593,401.80 is: 891,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,899.40 : 907,598.70 = 593,401.80 : x
  2. Step 2: Convert to fraction form
    603,899.40/907,598.70 = 593,401.80/x
  3. Step 3: Cross multiply
    603,899.40x = 907,598.70 × 593,401.80
  4. Step 4: Simplify right side
    603,899.40x = 538,570,702,257.66
  5. Step 5: Solve for x
    x = 538,570,702,257.66/603,899.40
  6. Step 6: Final answer
    x = 891,821.89

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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.