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Finding the Fourth Proportional to 275,809,602.80, 413,714,404.20 and 122,292,700.40

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Solution

The fourth proportional to 275,809,602.80, 413,714,404.20 and 122,292,700.40 is: 183,439,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,809,602.80 : 413,714,404.20 = 122,292,700.40 : x
  2. Step 2: Convert to fraction form
    275,809,602.80/413,714,404.20 = 122,292,700.40/x
  3. Step 3: Cross multiply
    275,809,602.80x = 413,714,404.20 × 122,292,700.40
  4. Step 4: Simplify right side
    275,809,602.80x = 50,594,251,683,995,104
  5. Step 5: Solve for x
    x = 50,594,251,683,995,104/275,809,602.80
  6. Step 6: Final answer
    x = 183,439,050.60

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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.