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Finding the Fourth Proportional to 597,647.80, 893,879.70 and 534,921.40

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Solution

The fourth proportional to 597,647.80, 893,879.70 and 534,921.40 is: 800,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,647.80 : 893,879.70 = 534,921.40 : x
  2. Step 2: Convert to fraction form
    597,647.80/893,879.70 = 534,921.40/x
  3. Step 3: Cross multiply
    597,647.80x = 893,879.70 × 534,921.40
  4. Step 4: Simplify right side
    597,647.80x = 478,155,380,555.58
  5. Step 5: Solve for x
    x = 478,155,380,555.58/597,647.80
  6. Step 6: Final answer
    x = 800,062.14

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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.