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Finding the Fourth Proportional to 619,666.60, 927,750.30 and 619,666.60

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Solution

The fourth proportional to 619,666.60, 927,750.30 and 619,666.60 is: 927,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,666.60 : 927,750.30 = 619,666.60 : x
  2. Step 2: Convert to fraction form
    619,666.60/927,750.30 = 619,666.60/x
  3. Step 3: Cross multiply
    619,666.60x = 927,750.30 × 619,666.60
  4. Step 4: Simplify right side
    619,666.60x = 574,895,874,049.98
  5. Step 5: Solve for x
    x = 574,895,874,049.98/619,666.60
  6. Step 6: Final answer
    x = 927,750.30

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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.