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Finding the Fourth Proportional to 355,656.80, 533,513.15 and 119,000.32

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Solution

The fourth proportional to 355,656.80, 533,513.15 and 119,000.32 is: 178,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,656.80 : 533,513.15 = 119,000.32 : x
  2. Step 2: Convert to fraction form
    355,656.80/533,513.15 = 119,000.32/x
  3. Step 3: Cross multiply
    355,656.80x = 533,513.15 × 119,000.32
  4. Step 4: Simplify right side
    355,656.80x = 63,488,232,311.64
  5. Step 5: Solve for x
    x = 63,488,232,311.64/355,656.80
  6. Step 6: Final answer
    x = 178,509.82

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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.