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Finding the Fourth Proportional to 531,703.20, 795,999.60 and 354,410.40

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Solution

The fourth proportional to 531,703.20, 795,999.60 and 354,410.40 is: 530,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,703.20 : 795,999.60 = 354,410.40 : x
  2. Step 2: Convert to fraction form
    531,703.20/795,999.60 = 354,410.40/x
  3. Step 3: Cross multiply
    531,703.20x = 795,999.60 × 354,410.40
  4. Step 4: Simplify right side
    531,703.20x = 282,110,536,635.84
  5. Step 5: Solve for x
    x = 282,110,536,635.84/531,703.20
  6. Step 6: Final answer
    x = 530,578.97

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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.