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Finding the Fourth Proportional to 556,309.80, 834,464.70 and 303,492.60

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Solution

The fourth proportional to 556,309.80, 834,464.70 and 303,492.60 is: 455,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,309.80 : 834,464.70 = 303,492.60 : x
  2. Step 2: Convert to fraction form
    556,309.80/834,464.70 = 303,492.60/x
  3. Step 3: Cross multiply
    556,309.80x = 834,464.70 × 303,492.60
  4. Step 4: Simplify right side
    556,309.80x = 253,253,861,411.22
  5. Step 5: Solve for x
    x = 253,253,861,411.22/556,309.80
  6. Step 6: Final answer
    x = 455,238.90

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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.