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Finding the Fourth Proportional to 623,073.52, 860,128.50 and 364,914.64

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Solution

The fourth proportional to 623,073.52, 860,128.50 and 364,914.64 is: 503,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,073.52 : 860,128.50 = 364,914.64 : x
  2. Step 2: Convert to fraction form
    623,073.52/860,128.50 = 364,914.64/x
  3. Step 3: Cross multiply
    623,073.52x = 860,128.50 × 364,914.64
  4. Step 4: Simplify right side
    623,073.52x = 313,873,481,931.24
  5. Step 5: Solve for x
    x = 313,873,481,931.24/623,073.52
  6. Step 6: Final answer
    x = 503,750.31

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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.