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Finding the Fourth Proportional to 575,797.76, 863,598.72 and 154,979.84

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Solution

The fourth proportional to 575,797.76, 863,598.72 and 154,979.84 is: 232,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,797.76 : 863,598.72 = 154,979.84 : x
  2. Step 2: Convert to fraction form
    575,797.76/863,598.72 = 154,979.84/x
  3. Step 3: Cross multiply
    575,797.76x = 863,598.72 × 154,979.84
  4. Step 4: Simplify right side
    575,797.76x = 133,840,391,449.81
  5. Step 5: Solve for x
    x = 133,840,391,449.81/575,797.76
  6. Step 6: Final answer
    x = 232,443.40

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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.