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Finding the Fourth Proportional to 530,861.60, 797,521.20 and 364,973.60

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Solution

The fourth proportional to 530,861.60, 797,521.20 and 364,973.60 is: 548,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,861.60 : 797,521.20 = 364,973.60 : x
  2. Step 2: Convert to fraction form
    530,861.60/797,521.20 = 364,973.60/x
  3. Step 3: Cross multiply
    530,861.60x = 797,521.20 × 364,973.60
  4. Step 4: Simplify right side
    530,861.60x = 291,074,183,440.32
  5. Step 5: Solve for x
    x = 291,074,183,440.32/530,861.60
  6. Step 6: Final answer
    x = 548,305.21

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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.