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Finding the Fourth Proportional to 335,003.40, 502,505.10 and 303,510.60

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Solution

The fourth proportional to 335,003.40, 502,505.10 and 303,510.60 is: 455,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,003.40 : 502,505.10 = 303,510.60 : x
  2. Step 2: Convert to fraction form
    335,003.40/502,505.10 = 303,510.60/x
  3. Step 3: Cross multiply
    335,003.40x = 502,505.10 × 303,510.60
  4. Step 4: Simplify right side
    335,003.40x = 152,515,624,404.06
  5. Step 5: Solve for x
    x = 152,515,624,404.06/335,003.40
  6. Step 6: Final answer
    x = 455,265.90

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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.