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Finding the Fourth Proportional to 529,552.13, 794,135.93 and 289,843.16

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Solution

The fourth proportional to 529,552.13, 794,135.93 and 289,843.16 is: 434,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,552.13 : 794,135.93 = 289,843.16 : x
  2. Step 2: Convert to fraction form
    529,552.13/794,135.93 = 289,843.16/x
  3. Step 3: Cross multiply
    529,552.13x = 794,135.93 × 289,843.16
  4. Step 4: Simplify right side
    529,552.13x = 230,174,862,000.84
  5. Step 5: Solve for x
    x = 230,174,862,000.84/529,552.13
  6. Step 6: Final answer
    x = 434,659.50

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1.5x scale

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.