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Finding the Fourth Proportional to 474,493.60, 710,703.60 and 368,480.80

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Solution

The fourth proportional to 474,493.60, 710,703.60 and 368,480.80 is: 551,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,493.60 : 710,703.60 = 368,480.80 : x
  2. Step 2: Convert to fraction form
    474,493.60/710,703.60 = 368,480.80/x
  3. Step 3: Cross multiply
    474,493.60x = 710,703.60 × 368,480.80
  4. Step 4: Simplify right side
    474,493.60x = 261,880,631,090.88
  5. Step 5: Solve for x
    x = 261,880,631,090.88/474,493.60
  6. Step 6: Final answer
    x = 551,916.05

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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.