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Finding the Fourth Proportional to 623,684.49, 860,683.87 and 337,203.89

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Solution

The fourth proportional to 623,684.49, 860,683.87 and 337,203.89 is: 465,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,684.49 : 860,683.87 = 337,203.89 : x
  2. Step 2: Convert to fraction form
    623,684.49/860,683.87 = 337,203.89/x
  3. Step 3: Cross multiply
    623,684.49x = 860,683.87 × 337,203.89
  4. Step 4: Simplify right side
    623,684.49x = 290,225,950,332.95
  5. Step 5: Solve for x
    x = 290,225,950,332.95/623,684.49
  6. Step 6: Final answer
    x = 465,340.98

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Double scale
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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.