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Finding the Fourth Proportional to 599,454.72, 898,129.92 and 534,374.40

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Solution

The fourth proportional to 599,454.72, 898,129.92 and 534,374.40 is: 800,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,454.72 : 898,129.92 = 534,374.40 : x
  2. Step 2: Convert to fraction form
    599,454.72/898,129.92 = 534,374.40/x
  3. Step 3: Cross multiply
    599,454.72x = 898,129.92 × 534,374.40
  4. Step 4: Simplify right side
    599,454.72x = 479,937,637,122.05
  5. Step 5: Solve for x
    x = 479,937,637,122.05/599,454.72
  6. Step 6: Final answer
    x = 800,623.67

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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.