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Finding the Fourth Proportional to 374,956.40, 562,483.20 and 185,513.60

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Solution

The fourth proportional to 374,956.40, 562,483.20 and 185,513.60 is: 278,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,956.40 : 562,483.20 = 185,513.60 : x
  2. Step 2: Convert to fraction form
    374,956.40/562,483.20 = 185,513.60/x
  3. Step 3: Cross multiply
    374,956.40x = 562,483.20 × 185,513.60
  4. Step 4: Simplify right side
    374,956.40x = 104,348,283,371.52
  5. Step 5: Solve for x
    x = 104,348,283,371.52/374,956.40
  6. Step 6: Final answer
    x = 278,294.45

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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.