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Finding the Fourth Proportional to 624,056, 860,847.36 and 382,455.68

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Solution

The fourth proportional to 624,056, 860,847.36 and 382,455.68 is: 527,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,056 : 860,847.36 = 382,455.68 : x
  2. Step 2: Convert to fraction form
    624,056/860,847.36 = 382,455.68/x
  3. Step 3: Cross multiply
    624,056x = 860,847.36 × 382,455.68
  4. Step 4: Simplify right side
    624,056x = 329,235,962,445.01
  5. Step 5: Solve for x
    x = 329,235,962,445.01/624,056
  6. Step 6: Final answer
    x = 527,574.39

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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.