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Finding the Fourth Proportional to 617,982.30, 927,664.65 and 577,374.30

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Solution

The fourth proportional to 617,982.30, 927,664.65 and 577,374.30 is: 866,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,982.30 : 927,664.65 = 577,374.30 : x
  2. Step 2: Convert to fraction form
    617,982.30/927,664.65 = 577,374.30/x
  3. Step 3: Cross multiply
    617,982.30x = 927,664.65 × 577,374.30
  4. Step 4: Simplify right side
    617,982.30x = 535,609,727,928.50
  5. Step 5: Solve for x
    x = 535,609,727,928.50/617,982.30
  6. Step 6: Final answer
    x = 866,707.23

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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.