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Finding the Fourth Proportional to 365,031.78, 547,567.16 and 112,485.72

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Solution

The fourth proportional to 365,031.78, 547,567.16 and 112,485.72 is: 168,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,031.78 : 547,567.16 = 112,485.72 : x
  2. Step 2: Convert to fraction form
    365,031.78/547,567.16 = 112,485.72/x
  3. Step 3: Cross multiply
    365,031.78x = 547,567.16 × 112,485.72
  4. Step 4: Simplify right side
    365,031.78x = 61,593,487,731.90
  5. Step 5: Solve for x
    x = 61,593,487,731.90/365,031.78
  6. Step 6: Final answer
    x = 168,734.59

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1.5x scale

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.