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Finding the Fourth Proportional to 608,732.20, 912,320.70 and 467,792.20

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Solution

The fourth proportional to 608,732.20, 912,320.70 and 467,792.20 is: 701,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,732.20 : 912,320.70 = 467,792.20 : x
  2. Step 2: Convert to fraction form
    608,732.20/912,320.70 = 467,792.20/x
  3. Step 3: Cross multiply
    608,732.20x = 912,320.70 × 467,792.20
  4. Step 4: Simplify right side
    608,732.20x = 426,776,507,358.54
  5. Step 5: Solve for x
    x = 426,776,507,358.54/608,732.20
  6. Step 6: Final answer
    x = 701,090.74

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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.