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Finding the Fourth Proportional to 437,571.80, 656,309.10 and 358,548.20

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Solution

The fourth proportional to 437,571.80, 656,309.10 and 358,548.20 is: 537,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,571.80 : 656,309.10 = 358,548.20 : x
  2. Step 2: Convert to fraction form
    437,571.80/656,309.10 = 358,548.20/x
  3. Step 3: Cross multiply
    437,571.80x = 656,309.10 × 358,548.20
  4. Step 4: Simplify right side
    437,571.80x = 235,318,446,448.62
  5. Step 5: Solve for x
    x = 235,318,446,448.62/437,571.80
  6. Step 6: Final answer
    x = 537,782.48

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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.