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Finding the Fourth Proportional to 475,318.44, 713,136.48 and 155,484.84

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Solution

The fourth proportional to 475,318.44, 713,136.48 and 155,484.84 is: 233,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,318.44 : 713,136.48 = 155,484.84 : x
  2. Step 2: Convert to fraction form
    475,318.44/713,136.48 = 155,484.84/x
  3. Step 3: Cross multiply
    475,318.44x = 713,136.48 × 155,484.84
  4. Step 4: Simplify right side
    475,318.44x = 110,881,911,490.96
  5. Step 5: Solve for x
    x = 110,881,911,490.96/475,318.44
  6. Step 6: Final answer
    x = 233,279.21

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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.