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Finding the Fourth Proportional to 355,598.60, 534,012.30 and 189,710.60

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Solution

The fourth proportional to 355,598.60, 534,012.30 and 189,710.60 is: 284,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,598.60 : 534,012.30 = 189,710.60 : x
  2. Step 2: Convert to fraction form
    355,598.60/534,012.30 = 189,710.60/x
  3. Step 3: Cross multiply
    355,598.60x = 534,012.30 × 189,710.60
  4. Step 4: Simplify right side
    355,598.60x = 101,307,793,840.38
  5. Step 5: Solve for x
    x = 101,307,793,840.38/355,598.60
  6. Step 6: Final answer
    x = 284,893.68

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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.