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Finding the Fourth Proportional to 553,777.20, 830,665.80 and 341,200.80

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Solution

The fourth proportional to 553,777.20, 830,665.80 and 341,200.80 is: 511,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,777.20 : 830,665.80 = 341,200.80 : x
  2. Step 2: Convert to fraction form
    553,777.20/830,665.80 = 341,200.80/x
  3. Step 3: Cross multiply
    553,777.20x = 830,665.80 × 341,200.80
  4. Step 4: Simplify right side
    553,777.20x = 283,423,835,492.64
  5. Step 5: Solve for x
    x = 283,423,835,492.64/553,777.20
  6. Step 6: Final answer
    x = 511,801.20

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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.