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Finding the Fourth Proportional to 503,113.80, 754,707.15 and 303,003.30

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Solution

The fourth proportional to 503,113.80, 754,707.15 and 303,003.30 is: 454,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,113.80 : 754,707.15 = 303,003.30 : x
  2. Step 2: Convert to fraction form
    503,113.80/754,707.15 = 303,003.30/x
  3. Step 3: Cross multiply
    503,113.80x = 754,707.15 × 303,003.30
  4. Step 4: Simplify right side
    503,113.80x = 228,678,756,983.60
  5. Step 5: Solve for x
    x = 228,678,756,983.60/503,113.80
  6. Step 6: Final answer
    x = 454,526.90

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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.