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Finding the Fourth Proportional to 335,896,269.80, 503,844,404.70 and 278,500,641.80

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Solution

The fourth proportional to 335,896,269.80, 503,844,404.70 and 278,500,641.80 is: 417,750,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,896,269.80 : 503,844,404.70 = 278,500,641.80 : x
  2. Step 2: Convert to fraction form
    335,896,269.80/503,844,404.70 = 278,500,641.80/x
  3. Step 3: Cross multiply
    335,896,269.80x = 503,844,404.70 × 278,500,641.80
  4. Step 4: Simplify right side
    335,896,269.80x = 140,320,990,076,288,944
  5. Step 5: Solve for x
    x = 140,320,990,076,288,944/335,896,269.80
  6. Step 6: Final answer
    x = 417,750,962.70

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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.