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Finding the Fourth Proportional to 496,740.12, 745,117.17 and 141,754.17

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Solution

The fourth proportional to 496,740.12, 745,117.17 and 141,754.17 is: 212,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,740.12 : 745,117.17 = 141,754.17 : x
  2. Step 2: Convert to fraction form
    496,740.12/745,117.17 = 141,754.17/x
  3. Step 3: Cross multiply
    496,740.12x = 745,117.17 × 141,754.17
  4. Step 4: Simplify right side
    496,740.12x = 105,623,465,986.10
  5. Step 5: Solve for x
    x = 105,623,465,986.10/496,740.12
  6. Step 6: Final answer
    x = 212,633.25

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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.