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Finding the Fourth Proportional to 456,525.76, 684,417.48 and 190,484.44

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Solution

The fourth proportional to 456,525.76, 684,417.48 and 190,484.44 is: 285,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,525.76 : 684,417.48 = 190,484.44 : x
  2. Step 2: Convert to fraction form
    456,525.76/684,417.48 = 190,484.44/x
  3. Step 3: Cross multiply
    456,525.76x = 684,417.48 × 190,484.44
  4. Step 4: Simplify right side
    456,525.76x = 130,370,880,404.01
  5. Step 5: Solve for x
    x = 130,370,880,404.01/456,525.76
  6. Step 6: Final answer
    x = 285,571.79

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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.