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Finding the Fourth Proportional to 617,977.30, 927,657.15 and 577,369.30

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Solution

The fourth proportional to 617,977.30, 927,657.15 and 577,369.30 is: 866,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,977.30 : 927,657.15 = 577,369.30 : x
  2. Step 2: Convert to fraction form
    617,977.30/927,657.15 = 577,369.30/x
  3. Step 3: Cross multiply
    617,977.30x = 927,657.15 × 577,369.30
  4. Step 4: Simplify right side
    617,977.30x = 535,600,759,335.50
  5. Step 5: Solve for x
    x = 535,600,759,335.50/617,977.30
  6. Step 6: Final answer
    x = 866,699.73

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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.