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Finding the Fourth Proportional to 593,638.60, 890,457.90 and 519,910.60

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Solution

The fourth proportional to 593,638.60, 890,457.90 and 519,910.60 is: 779,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,638.60 : 890,457.90 = 519,910.60 : x
  2. Step 2: Convert to fraction form
    593,638.60/890,457.90 = 519,910.60/x
  3. Step 3: Cross multiply
    593,638.60x = 890,457.90 × 519,910.60
  4. Step 4: Simplify right side
    593,638.60x = 462,958,501,063.74
  5. Step 5: Solve for x
    x = 462,958,501,063.74/593,638.60
  6. Step 6: Final answer
    x = 779,865.90

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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.