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Finding the Fourth Proportional to 527,242.83, 790,700.63 and 190,239.72

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Solution

The fourth proportional to 527,242.83, 790,700.63 and 190,239.72 is: 285,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,242.83 : 790,700.63 = 190,239.72 : x
  2. Step 2: Convert to fraction form
    527,242.83/790,700.63 = 190,239.72/x
  3. Step 3: Cross multiply
    527,242.83x = 790,700.63 × 190,239.72
  4. Step 4: Simplify right side
    527,242.83x = 150,422,665,503.83
  5. Step 5: Solve for x
    x = 150,422,665,503.83/527,242.83
  6. Step 6: Final answer
    x = 285,300.54

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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.