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Finding the Fourth Proportional to 620,331.60, 930,497.40 and 594,087.60

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Solution

The fourth proportional to 620,331.60, 930,497.40 and 594,087.60 is: 891,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,331.60 : 930,497.40 = 594,087.60 : x
  2. Step 2: Convert to fraction form
    620,331.60/930,497.40 = 594,087.60/x
  3. Step 3: Cross multiply
    620,331.60x = 930,497.40 × 594,087.60
  4. Step 4: Simplify right side
    620,331.60x = 552,796,967,172.24
  5. Step 5: Solve for x
    x = 552,796,967,172.24/620,331.60
  6. Step 6: Final answer
    x = 891,131.40

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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.