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Finding the Fourth Proportional to 433,777.53, 597,801.59 and 312,712.50

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Solution

The fourth proportional to 433,777.53, 597,801.59 and 312,712.50 is: 430,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,777.53 : 597,801.59 = 312,712.50 : x
  2. Step 2: Convert to fraction form
    433,777.53/597,801.59 = 312,712.50/x
  3. Step 3: Cross multiply
    433,777.53x = 597,801.59 × 312,712.50
  4. Step 4: Simplify right side
    433,777.53x = 186,940,025,160.31
  5. Step 5: Solve for x
    x = 186,940,025,160.31/433,777.53
  6. Step 6: Final answer
    x = 430,958.30

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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.