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Finding the Fourth Proportional to 474,484.60, 710,690.10 and 368,471.80

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Solution

The fourth proportional to 474,484.60, 710,690.10 and 368,471.80 is: 551,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,484.60 : 710,690.10 = 368,471.80 : x
  2. Step 2: Convert to fraction form
    474,484.60/710,690.10 = 368,471.80/x
  3. Step 3: Cross multiply
    474,484.60x = 710,690.10 × 368,471.80
  4. Step 4: Simplify right side
    474,484.60x = 261,869,260,389.18
  5. Step 5: Solve for x
    x = 261,869,260,389.18/474,484.60
  6. Step 6: Final answer
    x = 551,902.55

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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.