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Finding the Fourth Proportional to 659,323.61, 988,726.63 and 232,768.40

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Solution

The fourth proportional to 659,323.61, 988,726.63 and 232,768.40 is: 349,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,323.61 : 988,726.63 = 232,768.40 : x
  2. Step 2: Convert to fraction form
    659,323.61/988,726.63 = 232,768.40/x
  3. Step 3: Cross multiply
    659,323.61x = 988,726.63 × 232,768.40
  4. Step 4: Simplify right side
    659,323.61x = 230,144,317,592.39
  5. Step 5: Solve for x
    x = 230,144,317,592.39/659,323.61
  6. Step 6: Final answer
    x = 349,061.24

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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.