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Finding the Fourth Proportional to 355,731.52, 533,468.80 and 119,018.84

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Solution

The fourth proportional to 355,731.52, 533,468.80 and 119,018.84 is: 178,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,731.52 : 533,468.80 = 119,018.84 : x
  2. Step 2: Convert to fraction form
    355,731.52/533,468.80 = 119,018.84/x
  3. Step 3: Cross multiply
    355,731.52x = 533,468.80 × 119,018.84
  4. Step 4: Simplify right side
    355,731.52x = 63,492,837,752.19
  5. Step 5: Solve for x
    x = 63,492,837,752.19/355,731.52
  6. Step 6: Final answer
    x = 178,485.27

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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.