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Finding the Fourth Proportional to 623,775.42, 860,807.52 and 337,295.43

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Solution

The fourth proportional to 623,775.42, 860,807.52 and 337,295.43 is: 465,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,775.42 : 860,807.52 = 337,295.43 : x
  2. Step 2: Convert to fraction form
    623,775.42/860,807.52 = 337,295.43/x
  3. Step 3: Cross multiply
    623,775.42x = 860,807.52 × 337,295.43
  4. Step 4: Simplify right side
    623,775.42x = 290,346,442,605.63
  5. Step 5: Solve for x
    x = 290,346,442,605.63/623,775.42
  6. Step 6: Final answer
    x = 465,466.31

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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.