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Finding the Fourth Proportional to 503,788,000.40, 755,682,000.60 and 503,788,000.40

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Solution

The fourth proportional to 503,788,000.40, 755,682,000.60 and 503,788,000.40 is: 755,682,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,788,000.40 : 755,682,000.60 = 503,788,000.40 : x
  2. Step 2: Convert to fraction form
    503,788,000.40/755,682,000.60 = 503,788,000.40/x
  3. Step 3: Cross multiply
    503,788,000.40x = 755,682,000.60 × 503,788,000.40
  4. Step 4: Simplify right side
    503,788,000.40x = 380,703,524,020,545,600
  5. Step 5: Solve for x
    x = 380,703,524,020,545,600/503,788,000.40
  6. Step 6: Final answer
    x = 755,682,000.60

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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.