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Finding the Fourth Proportional to 529,036.89, 793,449.21 and 259,048.74

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Solution

The fourth proportional to 529,036.89, 793,449.21 and 259,048.74 is: 388,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,036.89 : 793,449.21 = 259,048.74 : x
  2. Step 2: Convert to fraction form
    529,036.89/793,449.21 = 259,048.74/x
  3. Step 3: Cross multiply
    529,036.89x = 793,449.21 × 259,048.74
  4. Step 4: Simplify right side
    529,036.89x = 205,542,018,104.50
  5. Step 5: Solve for x
    x = 205,542,018,104.50/529,036.89
  6. Step 6: Final answer
    x = 388,521.14

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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.