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Finding the Fourth Proportional to 475,270.48, 712,949.56 and 155,424.04

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Solution

The fourth proportional to 475,270.48, 712,949.56 and 155,424.04 is: 233,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,270.48 : 712,949.56 = 155,424.04 : x
  2. Step 2: Convert to fraction form
    475,270.48/712,949.56 = 155,424.04/x
  3. Step 3: Cross multiply
    475,270.48x = 712,949.56 × 155,424.04
  4. Step 4: Simplify right side
    475,270.48x = 110,809,500,931.42
  5. Step 5: Solve for x
    x = 110,809,500,931.42/475,270.48
  6. Step 6: Final answer
    x = 233,150.40

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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.