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Finding the Fourth Proportional to 617,973.80, 927,651.90 and 577,365.80

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Solution

The fourth proportional to 617,973.80, 927,651.90 and 577,365.80 is: 866,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,973.80 : 927,651.90 = 577,365.80 : x
  2. Step 2: Convert to fraction form
    617,973.80/927,651.90 = 577,365.80/x
  3. Step 3: Cross multiply
    617,973.80x = 927,651.90 × 577,365.80
  4. Step 4: Simplify right side
    617,973.80x = 535,594,481,365.02
  5. Step 5: Solve for x
    x = 535,594,481,365.02/617,973.80
  6. Step 6: Final answer
    x = 866,694.48

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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.