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Finding the Fourth Proportional to 556,334.40, 829,824.60 and 505,250.88

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Solution

The fourth proportional to 556,334.40, 829,824.60 and 505,250.88 is: 753,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,334.40 : 829,824.60 = 505,250.88 : x
  2. Step 2: Convert to fraction form
    556,334.40/829,824.60 = 505,250.88/x
  3. Step 3: Cross multiply
    556,334.40x = 829,824.60 × 505,250.88
  4. Step 4: Simplify right side
    556,334.40x = 419,269,609,395.65
  5. Step 5: Solve for x
    x = 419,269,609,395.65/556,334.40
  6. Step 6: Final answer
    x = 753,628.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.