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Finding the Fourth Proportional to 374,576, 561,864.54 and 152,960

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Solution

The fourth proportional to 374,576, 561,864.54 and 152,960 is: 229,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,576 : 561,864.54 = 152,960 : x
  2. Step 2: Convert to fraction form
    374,576/561,864.54 = 152,960/x
  3. Step 3: Cross multiply
    374,576x = 561,864.54 × 152,960
  4. Step 4: Simplify right side
    374,576x = 85,942,800,038.40
  5. Step 5: Solve for x
    x = 85,942,800,038.40/374,576
  6. Step 6: Final answer
    x = 229,440.22

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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.