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Finding the Fourth Proportional to 373,548.90, 557,409.84 and 333,291.12

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Solution

The fourth proportional to 373,548.90, 557,409.84 and 333,291.12 is: 497,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,548.90 : 557,409.84 = 333,291.12 : x
  2. Step 2: Convert to fraction form
    373,548.90/557,409.84 = 333,291.12/x
  3. Step 3: Cross multiply
    373,548.90x = 557,409.84 × 333,291.12
  4. Step 4: Simplify right side
    373,548.90x = 185,779,749,872.62
  5. Step 5: Solve for x
    x = 185,779,749,872.62/373,548.90
  6. Step 6: Final answer
    x = 497,337.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.