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Finding the Fourth Proportional to 583,769.79, 875,654.70 and 268,491.87

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Solution

The fourth proportional to 583,769.79, 875,654.70 and 268,491.87 is: 402,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,769.79 : 875,654.70 = 268,491.87 : x
  2. Step 2: Convert to fraction form
    583,769.79/875,654.70 = 268,491.87/x
  3. Step 3: Cross multiply
    583,769.79x = 875,654.70 × 268,491.87
  4. Step 4: Simplify right side
    583,769.79x = 235,106,167,877.29
  5. Step 5: Solve for x
    x = 235,106,167,877.29/583,769.79
  6. Step 6: Final answer
    x = 402,737.81

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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.