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Finding the Fourth Proportional to 374,147.52, 562,089.60 and 354,007.68

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Solution

The fourth proportional to 374,147.52, 562,089.60 and 354,007.68 is: 531,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,147.52 : 562,089.60 = 354,007.68 : x
  2. Step 2: Convert to fraction form
    374,147.52/562,089.60 = 354,007.68/x
  3. Step 3: Cross multiply
    374,147.52x = 562,089.60 × 354,007.68
  4. Step 4: Simplify right side
    374,147.52x = 198,984,035,248.13
  5. Step 5: Solve for x
    x = 198,984,035,248.13/374,147.52
  6. Step 6: Final answer
    x = 531,833.10

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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.