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Finding the Fourth Proportional to 433,777.28, 597,801.24 and 312,712.25

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Solution

The fourth proportional to 433,777.28, 597,801.24 and 312,712.25 is: 430,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,777.28 : 597,801.24 = 312,712.25 : x
  2. Step 2: Convert to fraction form
    433,777.28/597,801.24 = 312,712.25/x
  3. Step 3: Cross multiply
    433,777.28x = 597,801.24 × 312,712.25
  4. Step 4: Simplify right side
    433,777.28x = 186,939,767,824.18
  5. Step 5: Solve for x
    x = 186,939,767,824.18/433,777.28
  6. Step 6: Final answer
    x = 430,957.96

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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.