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Finding the Fourth Proportional to 583,812.80, 875,038.80 and 268,301.60

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Solution

The fourth proportional to 583,812.80, 875,038.80 and 268,301.60 is: 402,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,812.80 : 875,038.80 = 268,301.60 : x
  2. Step 2: Convert to fraction form
    583,812.80/875,038.80 = 268,301.60/x
  3. Step 3: Cross multiply
    583,812.80x = 875,038.80 × 268,301.60
  4. Step 4: Simplify right side
    583,812.80x = 234,774,310,102.08
  5. Step 5: Solve for x
    x = 234,774,310,102.08/583,812.80
  6. Step 6: Final answer
    x = 402,139.71

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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.