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Finding the Fourth Proportional to 526,574.91, 790,305.46 and 493,359.85

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Solution

The fourth proportional to 526,574.91, 790,305.46 and 493,359.85 is: 740,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,574.91 : 790,305.46 = 493,359.85 : x
  2. Step 2: Convert to fraction form
    526,574.91/790,305.46 = 493,359.85/x
  3. Step 3: Cross multiply
    526,574.91x = 790,305.46 × 493,359.85
  4. Step 4: Simplify right side
    526,574.91x = 389,904,983,199.78
  5. Step 5: Solve for x
    x = 389,904,983,199.78/526,574.91
  6. Step 6: Final answer
    x = 740,454.92

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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.