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Finding the Fourth Proportional to 594,630.63, 891,938.19 and 145,355.45

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Solution

The fourth proportional to 594,630.63, 891,938.19 and 145,355.45 is: 218,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,630.63 : 891,938.19 = 145,355.45 : x
  2. Step 2: Convert to fraction form
    594,630.63/891,938.19 = 145,355.45/x
  3. Step 3: Cross multiply
    594,630.63x = 891,938.19 × 145,355.45
  4. Step 4: Simplify right side
    594,630.63x = 129,648,072,519.95
  5. Step 5: Solve for x
    x = 129,648,072,519.95/594,630.63
  6. Step 6: Final answer
    x = 218,031.27

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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.