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Finding the Fourth Proportional to 496,008.40, 744,041.40 and 141,048.40

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Solution

The fourth proportional to 496,008.40, 744,041.40 and 141,048.40 is: 211,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,008.40 : 744,041.40 = 141,048.40 : x
  2. Step 2: Convert to fraction form
    496,008.40/744,041.40 = 141,048.40/x
  3. Step 3: Cross multiply
    496,008.40x = 744,041.40 × 141,048.40
  4. Step 4: Simplify right side
    496,008.40x = 104,945,849,003.76
  5. Step 5: Solve for x
    x = 104,945,849,003.76/496,008.40
  6. Step 6: Final answer
    x = 211,580.79

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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.