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Finding the Fourth Proportional to 529,844.72, 793,029.62 and 289,590.62

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Solution

The fourth proportional to 529,844.72, 793,029.62 and 289,590.62 is: 433,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,844.72 : 793,029.62 = 289,590.62 : x
  2. Step 2: Convert to fraction form
    529,844.72/793,029.62 = 289,590.62/x
  3. Step 3: Cross multiply
    529,844.72x = 793,029.62 × 289,590.62
  4. Step 4: Simplify right side
    529,844.72x = 229,653,933,921.06
  5. Step 5: Solve for x
    x = 229,653,933,921.06/529,844.72
  6. Step 6: Final answer
    x = 433,436.30

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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.