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Finding the Fourth Proportional to 623,059.37, 860,108.95 and 364,900.42

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Solution

The fourth proportional to 623,059.37, 860,108.95 and 364,900.42 is: 503,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,059.37 : 860,108.95 = 364,900.42 : x
  2. Step 2: Convert to fraction form
    623,059.37/860,108.95 = 364,900.42/x
  3. Step 3: Cross multiply
    623,059.37x = 860,108.95 × 364,900.42
  4. Step 4: Simplify right side
    623,059.37x = 313,854,117,239.25
  5. Step 5: Solve for x
    x = 313,854,117,239.25/623,059.37
  6. Step 6: Final answer
    x = 503,730.68

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Double scale
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Similar ratio
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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.