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Finding the Fourth Proportional to 623,388.44, 860,279.98 and 336,907.84

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Solution

The fourth proportional to 623,388.44, 860,279.98 and 336,907.84 is: 464,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,388.44 : 860,279.98 = 336,907.84 : x
  2. Step 2: Convert to fraction form
    623,388.44/860,279.98 = 336,907.84/x
  3. Step 3: Cross multiply
    623,388.44x = 860,279.98 × 336,907.84
  4. Step 4: Simplify right side
    623,388.44x = 289,835,069,857.04
  5. Step 5: Solve for x
    x = 289,835,069,857.04/623,388.44
  6. Step 6: Final answer
    x = 464,934.94

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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.