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Finding the Fourth Proportional to 623,909.04, 860,994.46 and 337,429.12

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Solution

The fourth proportional to 623,909.04, 860,994.46 and 337,429.12 is: 465,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,909.04 : 860,994.46 = 337,429.12 : x
  2. Step 2: Convert to fraction form
    623,909.04/860,994.46 = 337,429.12/x
  3. Step 3: Cross multiply
    623,909.04x = 860,994.46 × 337,429.12
  4. Step 4: Simplify right side
    623,909.04x = 290,524,602,962.68
  5. Step 5: Solve for x
    x = 290,524,602,962.68/623,909.04
  6. Step 6: Final answer
    x = 465,652.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.