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Finding the Fourth Proportional to 496,103.20, 695,477.60 and 496,103.20

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Solution

The fourth proportional to 496,103.20, 695,477.60 and 496,103.20 is: 695,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,103.20 : 695,477.60 = 496,103.20 : x
  2. Step 2: Convert to fraction form
    496,103.20/695,477.60 = 496,103.20/x
  3. Step 3: Cross multiply
    496,103.20x = 695,477.60 × 496,103.20
  4. Step 4: Simplify right side
    496,103.20x = 345,028,662,888.32
  5. Step 5: Solve for x
    x = 345,028,662,888.32/496,103.20
  6. Step 6: Final answer
    x = 695,477.60

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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.