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Finding the Fourth Proportional to 590,977.20, 829,467.60 and 590,977.20

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Solution

The fourth proportional to 590,977.20, 829,467.60 and 590,977.20 is: 829,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,977.20 : 829,467.60 = 590,977.20 : x
  2. Step 2: Convert to fraction form
    590,977.20/829,467.60 = 590,977.20/x
  3. Step 3: Cross multiply
    590,977.20x = 829,467.60 × 590,977.20
  4. Step 4: Simplify right side
    590,977.20x = 490,196,439,738.72
  5. Step 5: Solve for x
    x = 490,196,439,738.72/590,977.20
  6. Step 6: Final answer
    x = 829,467.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.