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Finding the Fourth Proportional to 623,154.96, 859,954.28 and 336,674.97

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Solution

The fourth proportional to 623,154.96, 859,954.28 and 336,674.97 is: 464,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,154.96 : 859,954.28 = 336,674.97 : x
  2. Step 2: Convert to fraction form
    623,154.96/859,954.28 = 336,674.97/x
  3. Step 3: Cross multiply
    623,154.96x = 859,954.28 × 336,674.97
  4. Step 4: Simplify right side
    623,154.96x = 289,525,081,420.37
  5. Step 5: Solve for x
    x = 289,525,081,420.37/623,154.96
  6. Step 6: Final answer
    x = 464,611.69

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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.