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Finding the Fourth Proportional to 496,707.18, 745,088.31 and 141,693.90

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Solution

The fourth proportional to 496,707.18, 745,088.31 and 141,693.90 is: 212,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,707.18 : 745,088.31 = 141,693.90 : x
  2. Step 2: Convert to fraction form
    496,707.18/745,088.31 = 141,693.90/x
  3. Step 3: Cross multiply
    496,707.18x = 745,088.31 × 141,693.90
  4. Step 4: Simplify right side
    496,707.18x = 105,574,468,488.31
  5. Step 5: Solve for x
    x = 105,574,468,488.31/496,707.18
  6. Step 6: Final answer
    x = 212,548.71

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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.