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Finding the Fourth Proportional to 536,103.64, 739,825.04 and 291,088.76

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Solution

The fourth proportional to 536,103.64, 739,825.04 and 291,088.76 is: 401,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,103.64 : 739,825.04 = 291,088.76 : x
  2. Step 2: Convert to fraction form
    536,103.64/739,825.04 = 291,088.76/x
  3. Step 3: Cross multiply
    536,103.64x = 739,825.04 × 291,088.76
  4. Step 4: Simplify right side
    536,103.64x = 215,354,753,510.55
  5. Step 5: Solve for x
    x = 215,354,753,510.55/536,103.64
  6. Step 6: Final answer
    x = 401,703.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.