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Finding the Fourth Proportional to 590,216.10, 886,215.15 and 471,534.90

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Solution

The fourth proportional to 590,216.10, 886,215.15 and 471,534.90 is: 708,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,216.10 : 886,215.15 = 471,534.90 : x
  2. Step 2: Convert to fraction form
    590,216.10/886,215.15 = 471,534.90/x
  3. Step 3: Cross multiply
    590,216.10x = 886,215.15 × 471,534.90
  4. Step 4: Simplify right side
    590,216.10x = 417,881,372,133.74
  5. Step 5: Solve for x
    x = 417,881,372,133.74/590,216.10
  6. Step 6: Final answer
    x = 708,014.19

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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.