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Finding the Fourth Proportional to 603,923.40, 907,634.70 and 593,425.80

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Solution

The fourth proportional to 603,923.40, 907,634.70 and 593,425.80 is: 891,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,923.40 : 907,634.70 = 593,425.80 : x
  2. Step 2: Convert to fraction form
    603,923.40/907,634.70 = 593,425.80/x
  3. Step 3: Cross multiply
    603,923.40x = 907,634.70 × 593,425.80
  4. Step 4: Simplify right side
    603,923.40x = 538,613,847,955.26
  5. Step 5: Solve for x
    x = 538,613,847,955.26/603,923.40
  6. Step 6: Final answer
    x = 891,857.89

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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.