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Finding the Fourth Proportional to 594,420.80, 891,631.20 and 262,644.80

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Solution

The fourth proportional to 594,420.80, 891,631.20 and 262,644.80 is: 393,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,420.80 : 891,631.20 = 262,644.80 : x
  2. Step 2: Convert to fraction form
    594,420.80/891,631.20 = 262,644.80/x
  3. Step 3: Cross multiply
    594,420.80x = 891,631.20 × 262,644.80
  4. Step 4: Simplify right side
    594,420.80x = 234,182,298,197.76
  5. Step 5: Solve for x
    x = 234,182,298,197.76/594,420.80
  6. Step 6: Final answer
    x = 393,967.20

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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.