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Finding the Fourth Proportional to 603,417.50, 832,716.70 and 331,503.01

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Solution

The fourth proportional to 603,417.50, 832,716.70 and 331,503.01 is: 457,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,417.50 : 832,716.70 = 331,503.01 : x
  2. Step 2: Convert to fraction form
    603,417.50/832,716.70 = 331,503.01/x
  3. Step 3: Cross multiply
    603,417.50x = 832,716.70 × 331,503.01
  4. Step 4: Simplify right side
    603,417.50x = 276,048,089,616.72
  5. Step 5: Solve for x
    x = 276,048,089,616.72/603,417.50
  6. Step 6: Final answer
    x = 457,474.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.