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Finding the Fourth Proportional to 618,486.15, 927,729.23 and 552,001.35

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Solution

The fourth proportional to 618,486.15, 927,729.23 and 552,001.35 is: 828,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,486.15 : 927,729.23 = 552,001.35 : x
  2. Step 2: Convert to fraction form
    618,486.15/927,729.23 = 552,001.35/x
  3. Step 3: Cross multiply
    618,486.15x = 927,729.23 × 552,001.35
  4. Step 4: Simplify right side
    618,486.15x = 512,107,784,634.45
  5. Step 5: Solve for x
    x = 512,107,784,634.45/618,486.15
  6. Step 6: Final answer
    x = 828,002.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.