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Finding the Fourth Proportional to 593,389.60, 890,775.60 and 356,999.20

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Solution

The fourth proportional to 593,389.60, 890,775.60 and 356,999.20 is: 535,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,389.60 : 890,775.60 = 356,999.20 : x
  2. Step 2: Convert to fraction form
    593,389.60/890,775.60 = 356,999.20/x
  3. Step 3: Cross multiply
    593,389.60x = 890,775.60 × 356,999.20
  4. Step 4: Simplify right side
    593,389.60x = 318,006,176,579.52
  5. Step 5: Solve for x
    x = 318,006,176,579.52/593,389.60
  6. Step 6: Final answer
    x = 535,914.64

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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.