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Finding the Fourth Proportional to 355,663.80, 533,523.66 and 119,007.32

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Solution

The fourth proportional to 355,663.80, 533,523.66 and 119,007.32 is: 178,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,663.80 : 533,523.66 = 119,007.32 : x
  2. Step 2: Convert to fraction form
    355,663.80/533,523.66 = 119,007.32/x
  3. Step 3: Cross multiply
    355,663.80x = 533,523.66 × 119,007.32
  4. Step 4: Simplify right side
    355,663.80x = 63,493,220,933.19
  5. Step 5: Solve for x
    x = 63,493,220,933.19/355,663.80
  6. Step 6: Final answer
    x = 178,520.34

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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.