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Finding the Fourth Proportional to 302,458.80, 453,493.80 and 125,036.40

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Solution

The fourth proportional to 302,458.80, 453,493.80 and 125,036.40 is: 187,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,458.80 : 453,493.80 = 125,036.40 : x
  2. Step 2: Convert to fraction form
    302,458.80/453,493.80 = 125,036.40/x
  3. Step 3: Cross multiply
    302,458.80x = 453,493.80 × 125,036.40
  4. Step 4: Simplify right side
    302,458.80x = 56,703,232,174.32
  5. Step 5: Solve for x
    x = 56,703,232,174.32/302,458.80
  6. Step 6: Final answer
    x = 187,474.24

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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.