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Finding the Fourth Proportional to 554,200.71, 831,612.39 and 301,498.84

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Solution

The fourth proportional to 554,200.71, 831,612.39 and 301,498.84 is: 452,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,200.71 : 831,612.39 = 301,498.84 : x
  2. Step 2: Convert to fraction form
    554,200.71/831,612.39 = 301,498.84/x
  3. Step 3: Cross multiply
    554,200.71x = 831,612.39 × 301,498.84
  4. Step 4: Simplify right side
    554,200.71x = 250,730,170,914.63
  5. Step 5: Solve for x
    x = 250,730,170,914.63/554,200.71
  6. Step 6: Final answer
    x = 452,417.63

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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.