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Finding the Fourth Proportional to 608,265.60, 912,398.40 and 275,841.60

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Solution

The fourth proportional to 608,265.60, 912,398.40 and 275,841.60 is: 413,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,265.60 : 912,398.40 = 275,841.60 : x
  2. Step 2: Convert to fraction form
    608,265.60/912,398.40 = 275,841.60/x
  3. Step 3: Cross multiply
    608,265.60x = 912,398.40 × 275,841.60
  4. Step 4: Simplify right side
    608,265.60x = 251,677,434,493.44
  5. Step 5: Solve for x
    x = 251,677,434,493.44/608,265.60
  6. Step 6: Final answer
    x = 413,762.40

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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.