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Finding the Fourth Proportional to 366,349.68, 505,607.40 and 223,130.52

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Solution

The fourth proportional to 366,349.68, 505,607.40 and 223,130.52 is: 307,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,349.68 : 505,607.40 = 223,130.52 : x
  2. Step 2: Convert to fraction form
    366,349.68/505,607.40 = 223,130.52/x
  3. Step 3: Cross multiply
    366,349.68x = 505,607.40 × 223,130.52
  4. Step 4: Simplify right side
    366,349.68x = 112,816,442,077.85
  5. Step 5: Solve for x
    x = 112,816,442,077.85/366,349.68
  6. Step 6: Final answer
    x = 307,947.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.