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Finding the Fourth Proportional to 593,819.60, 890,729.40 and 520,091.60

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Solution

The fourth proportional to 593,819.60, 890,729.40 and 520,091.60 is: 780,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,819.60 : 890,729.40 = 520,091.60 : x
  2. Step 2: Convert to fraction form
    593,819.60/890,729.40 = 520,091.60/x
  3. Step 3: Cross multiply
    593,819.60x = 890,729.40 × 520,091.60
  4. Step 4: Simplify right side
    593,819.60x = 463,260,878,813.04
  5. Step 5: Solve for x
    x = 463,260,878,813.04/593,819.60
  6. Step 6: Final answer
    x = 780,137.40

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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.