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Finding the Fourth Proportional to 594,513.60, 891,770.40 and 381,937.20

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Solution

The fourth proportional to 594,513.60, 891,770.40 and 381,937.20 is: 572,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,513.60 : 891,770.40 = 381,937.20 : x
  2. Step 2: Convert to fraction form
    594,513.60/891,770.40 = 381,937.20/x
  3. Step 3: Cross multiply
    594,513.60x = 891,770.40 × 381,937.20
  4. Step 4: Simplify right side
    594,513.60x = 340,600,289,618.88
  5. Step 5: Solve for x
    x = 340,600,289,618.88/594,513.60
  6. Step 6: Final answer
    x = 572,905.80

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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.