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Finding the Fourth Proportional to 506,005.08, 759,132.15 and 356,537.28

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Solution

The fourth proportional to 506,005.08, 759,132.15 and 356,537.28 is: 534,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,005.08 : 759,132.15 = 356,537.28 : x
  2. Step 2: Convert to fraction form
    506,005.08/759,132.15 = 356,537.28/x
  3. Step 3: Cross multiply
    506,005.08x = 759,132.15 × 356,537.28
  4. Step 4: Simplify right side
    506,005.08x = 270,658,911,921.55
  5. Step 5: Solve for x
    x = 270,658,911,921.55/506,005.08
  6. Step 6: Final answer
    x = 534,893.67

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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.