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Finding the Fourth Proportional to 506,899.02, 759,508.92 and 356,404.02

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Solution

The fourth proportional to 506,899.02, 759,508.92 and 356,404.02 is: 534,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,899.02 : 759,508.92 = 356,404.02 : x
  2. Step 2: Convert to fraction form
    506,899.02/759,508.92 = 356,404.02/x
  3. Step 3: Cross multiply
    506,899.02x = 759,508.92 × 356,404.02
  4. Step 4: Simplify right side
    506,899.02x = 270,692,032,313.86
  5. Step 5: Solve for x
    x = 270,692,032,313.86/506,899.02
  6. Step 6: Final answer
    x = 534,015.69

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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.