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Finding the Fourth Proportional to 662,786.96, 994,264.44 and 652,528.40

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Solution

The fourth proportional to 662,786.96, 994,264.44 and 652,528.40 is: 978,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,786.96 : 994,264.44 = 652,528.40 : x
  2. Step 2: Convert to fraction form
    662,786.96/994,264.44 = 652,528.40/x
  3. Step 3: Cross multiply
    662,786.96x = 994,264.44 × 652,528.40
  4. Step 4: Simplify right side
    662,786.96x = 648,785,784,210.10
  5. Step 5: Solve for x
    x = 648,785,784,210.10/662,786.96
  6. Step 6: Final answer
    x = 978,875.30

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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.