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Finding the Fourth Proportional to 490,685.01, 736,027.25 and 153,752.15

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Solution

The fourth proportional to 490,685.01, 736,027.25 and 153,752.15 is: 230,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,685.01 : 736,027.25 = 153,752.15 : x
  2. Step 2: Convert to fraction form
    490,685.01/736,027.25 = 153,752.15/x
  3. Step 3: Cross multiply
    490,685.01x = 736,027.25 × 153,752.15
  4. Step 4: Simplify right side
    490,685.01x = 113,165,767,697.19
  5. Step 5: Solve for x
    x = 113,165,767,697.19/490,685.01
  6. Step 6: Final answer
    x = 230,628.13

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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.