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Finding the Fourth Proportional to 531,608.44, 733,637.36 and 289,904.23

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Solution

The fourth proportional to 531,608.44, 733,637.36 and 289,904.23 is: 400,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,608.44 : 733,637.36 = 289,904.23 : x
  2. Step 2: Convert to fraction form
    531,608.44/733,637.36 = 289,904.23/x
  3. Step 3: Cross multiply
    531,608.44x = 733,637.36 × 289,904.23
  4. Step 4: Simplify right side
    531,608.44x = 212,684,574,334.61
  5. Step 5: Solve for x
    x = 212,684,574,334.61/531,608.44
  6. Step 6: Final answer
    x = 400,077.50

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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.