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Finding the Fourth Proportional to 623,380.93, 860,269.62 and 336,900.34

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Solution

The fourth proportional to 623,380.93, 860,269.62 and 336,900.34 is: 464,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,380.93 : 860,269.62 = 336,900.34 : x
  2. Step 2: Convert to fraction form
    623,380.93/860,269.62 = 336,900.34/x
  3. Step 3: Cross multiply
    623,380.93x = 860,269.62 × 336,900.34
  4. Step 4: Simplify right side
    623,380.93x = 289,825,127,469.67
  5. Step 5: Solve for x
    x = 289,825,127,469.67/623,380.93
  6. Step 6: Final answer
    x = 464,924.60

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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.