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Finding the Fourth Proportional to 446,970,652.80, 670,455,979.20 and 446,970,652.80

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Solution

The fourth proportional to 446,970,652.80, 670,455,979.20 and 446,970,652.80 is: 670,455,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,970,652.80 : 670,455,979.20 = 446,970,652.80 : x
  2. Step 2: Convert to fraction form
    446,970,652.80/670,455,979.20 = 446,970,652.80/x
  3. Step 3: Cross multiply
    446,970,652.80x = 670,455,979.20 × 446,970,652.80
  4. Step 4: Simplify right side
    446,970,652.80x = 299,674,146,696,687,232
  5. Step 5: Solve for x
    x = 299,674,146,696,687,232/446,970,652.80
  6. Step 6: Final answer
    x = 670,455,979.20

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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.