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Finding the Fourth Proportional to 603,903.40, 907,604.70 and 593,405.80

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Solution

The fourth proportional to 603,903.40, 907,604.70 and 593,405.80 is: 891,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,903.40 : 907,604.70 = 593,405.80 : x
  2. Step 2: Convert to fraction form
    603,903.40/907,604.70 = 593,405.80/x
  3. Step 3: Cross multiply
    603,903.40x = 907,604.70 × 593,405.80
  4. Step 4: Simplify right side
    603,903.40x = 538,577,893,087.26
  5. Step 5: Solve for x
    x = 538,577,893,087.26/603,903.40
  6. Step 6: Final answer
    x = 891,827.89

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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.