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Finding the Fourth Proportional to 382,779.76, 573,783.66 and 240,726.55

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Solution

The fourth proportional to 382,779.76, 573,783.66 and 240,726.55 is: 360,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,779.76 : 573,783.66 = 240,726.55 : x
  2. Step 2: Convert to fraction form
    382,779.76/573,783.66 = 240,726.55/x
  3. Step 3: Cross multiply
    382,779.76x = 573,783.66 × 240,726.55
  4. Step 4: Simplify right side
    382,779.76x = 138,124,960,918.17
  5. Step 5: Solve for x
    x = 138,124,960,918.17/382,779.76
  6. Step 6: Final answer
    x = 360,847.09

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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.