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Finding the Fourth Proportional to 514,353.02, 711,161.01 and 450,507.20

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Solution

The fourth proportional to 514,353.02, 711,161.01 and 450,507.20 is: 622,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,353.02 : 711,161.01 = 450,507.20 : x
  2. Step 2: Convert to fraction form
    514,353.02/711,161.01 = 450,507.20/x
  3. Step 3: Cross multiply
    514,353.02x = 711,161.01 × 450,507.20
  4. Step 4: Simplify right side
    514,353.02x = 320,383,151,808.47
  5. Step 5: Solve for x
    x = 320,383,151,808.47/514,353.02
  6. Step 6: Final answer
    x = 622,885.73

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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.