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Finding the Fourth Proportional to 472,392,410.40, 708,588,615.60 and 333,320,205.60

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Solution

The fourth proportional to 472,392,410.40, 708,588,615.60 and 333,320,205.60 is: 499,980,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,410.40 : 708,588,615.60 = 333,320,205.60 : x
  2. Step 2: Convert to fraction form
    472,392,410.40/708,588,615.60 = 333,320,205.60/x
  3. Step 3: Cross multiply
    472,392,410.40x = 708,588,615.60 × 333,320,205.60
  4. Step 4: Simplify right side
    472,392,410.40x = 236,186,903,037,611,392
  5. Step 5: Solve for x
    x = 236,186,903,037,611,392/472,392,410.40
  6. Step 6: Final answer
    x = 499,980,308.40

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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.