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Finding the Fourth Proportional to 623,482.37, 860,405.13 and 337,002.45

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Solution

The fourth proportional to 623,482.37, 860,405.13 and 337,002.45 is: 465,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,482.37 : 860,405.13 = 337,002.45 : x
  2. Step 2: Convert to fraction form
    623,482.37/860,405.13 = 337,002.45/x
  3. Step 3: Cross multiply
    623,482.37x = 860,405.13 × 337,002.45
  4. Step 4: Simplify right side
    623,482.37x = 289,958,636,802.57
  5. Step 5: Solve for x
    x = 289,958,636,802.57/623,482.37
  6. Step 6: Final answer
    x = 465,063.09

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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.