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Finding the Fourth Proportional to 621,500.70, 927,695.96 and 575,856.12

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Solution

The fourth proportional to 621,500.70, 927,695.96 and 575,856.12 is: 859,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,500.70 : 927,695.96 = 575,856.12 : x
  2. Step 2: Convert to fraction form
    621,500.70/927,695.96 = 575,856.12/x
  3. Step 3: Cross multiply
    621,500.70x = 927,695.96 × 575,856.12
  4. Step 4: Simplify right side
    621,500.70x = 534,219,393,186.00
  5. Step 5: Solve for x
    x = 534,219,393,186.00/621,500.70
  6. Step 6: Final answer
    x = 859,563.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.