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Finding the Fourth Proportional to 617,973.30, 927,651.15 and 577,365.30

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Solution

The fourth proportional to 617,973.30, 927,651.15 and 577,365.30 is: 866,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,973.30 : 927,651.15 = 577,365.30 : x
  2. Step 2: Convert to fraction form
    617,973.30/927,651.15 = 577,365.30/x
  3. Step 3: Cross multiply
    617,973.30x = 927,651.15 × 577,365.30
  4. Step 4: Simplify right side
    617,973.30x = 535,593,584,515.10
  5. Step 5: Solve for x
    x = 535,593,584,515.10/617,973.30
  6. Step 6: Final answer
    x = 866,693.73

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Double scale
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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.