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Finding the Fourth Proportional to 363,500.36, 545,208.82 and 97,281.64

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Solution

The fourth proportional to 363,500.36, 545,208.82 and 97,281.64 is: 145,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,500.36 : 545,208.82 = 97,281.64 : x
  2. Step 2: Convert to fraction form
    363,500.36/545,208.82 = 97,281.64/x
  3. Step 3: Cross multiply
    363,500.36x = 545,208.82 × 97,281.64
  4. Step 4: Simplify right side
    363,500.36x = 53,038,808,152.06
  5. Step 5: Solve for x
    x = 53,038,808,152.06/363,500.36
  6. Step 6: Final answer
    x = 145,911.29

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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.