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Finding the Fourth Proportional to 374,476.67, 561,702.70 and 149,776.77

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Solution

The fourth proportional to 374,476.67, 561,702.70 and 149,776.77 is: 224,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,476.67 : 561,702.70 = 149,776.77 : x
  2. Step 2: Convert to fraction form
    374,476.67/561,702.70 = 149,776.77/x
  3. Step 3: Cross multiply
    374,476.67x = 561,702.70 × 149,776.77
  4. Step 4: Simplify right side
    374,476.67x = 84,130,016,820.10
  5. Step 5: Solve for x
    x = 84,130,016,820.10/374,476.67
  6. Step 6: Final answer
    x = 224,660.24

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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.