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Finding the Fourth Proportional to 474,483.60, 710,688.60 and 368,470.80

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Solution

The fourth proportional to 474,483.60, 710,688.60 and 368,470.80 is: 551,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,483.60 : 710,688.60 = 368,470.80 : x
  2. Step 2: Convert to fraction form
    474,483.60/710,688.60 = 368,470.80/x
  3. Step 3: Cross multiply
    474,483.60x = 710,688.60 × 368,470.80
  4. Step 4: Simplify right side
    474,483.60x = 261,867,996,992.88
  5. Step 5: Solve for x
    x = 261,867,996,992.88/474,483.60
  6. Step 6: Final answer
    x = 551,901.05

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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.