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Finding the Fourth Proportional to 623,770.08, 860,802.10 and 337,289.48

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Solution

The fourth proportional to 623,770.08, 860,802.10 and 337,289.48 is: 465,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,770.08 : 860,802.10 = 337,289.48 : x
  2. Step 2: Convert to fraction form
    623,770.08/860,802.10 = 337,289.48/x
  3. Step 3: Cross multiply
    623,770.08x = 860,802.10 × 337,289.48
  4. Step 4: Simplify right side
    623,770.08x = 290,339,497,511.95
  5. Step 5: Solve for x
    x = 290,339,497,511.95/623,770.08
  6. Step 6: Final answer
    x = 465,459.16

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1.5x scale

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.