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Finding the Fourth Proportional to 617,566.80, 926,350.20 and 262,592.40

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Solution

The fourth proportional to 617,566.80, 926,350.20 and 262,592.40 is: 393,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,566.80 : 926,350.20 = 262,592.40 : x
  2. Step 2: Convert to fraction form
    617,566.80/926,350.20 = 262,592.40/x
  3. Step 3: Cross multiply
    617,566.80x = 926,350.20 × 262,592.40
  4. Step 4: Simplify right side
    617,566.80x = 243,252,522,258.48
  5. Step 5: Solve for x
    x = 243,252,522,258.48/617,566.80
  6. Step 6: Final answer
    x = 393,888.60

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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.