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Finding the Fourth Proportional to 559,104.80, 838,657.20 and 470,531.30

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Solution

The fourth proportional to 559,104.80, 838,657.20 and 470,531.30 is: 705,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,104.80 : 838,657.20 = 470,531.30 : x
  2. Step 2: Convert to fraction form
    559,104.80/838,657.20 = 470,531.30/x
  3. Step 3: Cross multiply
    559,104.80x = 838,657.20 × 470,531.30
  4. Step 4: Simplify right side
    559,104.80x = 394,614,462,570.36
  5. Step 5: Solve for x
    x = 394,614,462,570.36/559,104.80
  6. Step 6: Final answer
    x = 705,796.95

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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.