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Finding the Fourth Proportional to 455,777.64, 683,534.70 and 175,228.20

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Solution

The fourth proportional to 455,777.64, 683,534.70 and 175,228.20 is: 262,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,777.64 : 683,534.70 = 175,228.20 : x
  2. Step 2: Convert to fraction form
    455,777.64/683,534.70 = 175,228.20/x
  3. Step 3: Cross multiply
    455,777.64x = 683,534.70 × 175,228.20
  4. Step 4: Simplify right side
    455,777.64x = 119,774,555,118.54
  5. Step 5: Solve for x
    x = 119,774,555,118.54/455,777.64
  6. Step 6: Final answer
    x = 262,791.64

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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.