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Finding the Fourth Proportional to 617,813.80, 926,720.70 and 594,194.20

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Solution

The fourth proportional to 617,813.80, 926,720.70 and 594,194.20 is: 891,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,813.80 : 926,720.70 = 594,194.20 : x
  2. Step 2: Convert to fraction form
    617,813.80/926,720.70 = 594,194.20/x
  3. Step 3: Cross multiply
    617,813.80x = 926,720.70 × 594,194.20
  4. Step 4: Simplify right side
    617,813.80x = 550,652,064,959.94
  5. Step 5: Solve for x
    x = 550,652,064,959.94/617,813.80
  6. Step 6: Final answer
    x = 891,291.30

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Double scale
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Similar ratio
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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.