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Finding the Fourth Proportional to 374,478.93, 561,706.07 and 149,779.01

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Solution

The fourth proportional to 374,478.93, 561,706.07 and 149,779.01 is: 224,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,478.93 : 561,706.07 = 149,779.01 : x
  2. Step 2: Convert to fraction form
    374,478.93/561,706.07 = 149,779.01/x
  3. Step 3: Cross multiply
    374,478.93x = 561,706.07 × 149,779.01
  4. Step 4: Simplify right side
    374,478.93x = 84,131,779,730.96
  5. Step 5: Solve for x
    x = 84,131,779,730.96/374,478.93
  6. Step 6: Final answer
    x = 224,663.59

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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.