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Finding the Fourth Proportional to 493,392.40, 740,088.60 and 488,726.80

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Solution

The fourth proportional to 493,392.40, 740,088.60 and 488,726.80 is: 733,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,392.40 : 740,088.60 = 488,726.80 : x
  2. Step 2: Convert to fraction form
    493,392.40/740,088.60 = 488,726.80/x
  3. Step 3: Cross multiply
    493,392.40x = 740,088.60 × 488,726.80
  4. Step 4: Simplify right side
    493,392.40x = 361,701,133,194.48
  5. Step 5: Solve for x
    x = 361,701,133,194.48/493,392.40
  6. Step 6: Final answer
    x = 733,090.20

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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.