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Finding the Fourth Proportional to 530,000.91, 794,899.95 and 205,789.02

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Solution

The fourth proportional to 530,000.91, 794,899.95 and 205,789.02 is: 308,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,000.91 : 794,899.95 = 205,789.02 : x
  2. Step 2: Convert to fraction form
    530,000.91/794,899.95 = 205,789.02/x
  3. Step 3: Cross multiply
    530,000.91x = 794,899.95 × 205,789.02
  4. Step 4: Simplify right side
    530,000.91x = 163,581,681,708.55
  5. Step 5: Solve for x
    x = 163,581,681,708.55/530,000.91
  6. Step 6: Final answer
    x = 308,644.15

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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.