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Finding the Fourth Proportional to 594,019.40, 891,029.10 and 310,584.20

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Solution

The fourth proportional to 594,019.40, 891,029.10 and 310,584.20 is: 465,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,019.40 : 891,029.10 = 310,584.20 : x
  2. Step 2: Convert to fraction form
    594,019.40/891,029.10 = 310,584.20/x
  3. Step 3: Cross multiply
    594,019.40x = 891,029.10 × 310,584.20
  4. Step 4: Simplify right side
    594,019.40x = 276,739,560,200.22
  5. Step 5: Solve for x
    x = 276,739,560,200.22/594,019.40
  6. Step 6: Final answer
    x = 465,876.30

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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.