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Finding the Fourth Proportional to 474,979.96, 712,528.67 and 155,164.02

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Solution

The fourth proportional to 474,979.96, 712,528.67 and 155,164.02 is: 232,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,979.96 : 712,528.67 = 155,164.02 : x
  2. Step 2: Convert to fraction form
    474,979.96/712,528.67 = 155,164.02/x
  3. Step 3: Cross multiply
    474,979.96x = 712,528.67 × 155,164.02
  4. Step 4: Simplify right side
    474,979.96x = 110,558,812,802.45
  5. Step 5: Solve for x
    x = 110,558,812,802.45/474,979.96
  6. Step 6: Final answer
    x = 232,765.22

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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.