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Finding the Fourth Proportional to 583,505.06, 875,226.59 and 178,697.12

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Solution

The fourth proportional to 583,505.06, 875,226.59 and 178,697.12 is: 268,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,505.06 : 875,226.59 = 178,697.12 : x
  2. Step 2: Convert to fraction form
    583,505.06/875,226.59 = 178,697.12/x
  3. Step 3: Cross multiply
    583,505.06x = 875,226.59 × 178,697.12
  4. Step 4: Simplify right side
    583,505.06x = 156,400,465,710.80
  5. Step 5: Solve for x
    x = 156,400,465,710.80/583,505.06
  6. Step 6: Final answer
    x = 268,036.18

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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.