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Finding the Fourth Proportional to 474,468.60, 710,666.10 and 368,455.80

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Solution

The fourth proportional to 474,468.60, 710,666.10 and 368,455.80 is: 551,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,468.60 : 710,666.10 = 368,455.80 : x
  2. Step 2: Convert to fraction form
    474,468.60/710,666.10 = 368,455.80/x
  3. Step 3: Cross multiply
    474,468.60x = 710,666.10 × 368,455.80
  4. Step 4: Simplify right side
    474,468.60x = 261,849,046,408.38
  5. Step 5: Solve for x
    x = 261,849,046,408.38/474,468.60
  6. Step 6: Final answer
    x = 551,878.56

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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.